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 Kentucky Weather Summary -- 2018:
By:  Tom Priddy and Matt Dixon
     UK Ag. Weather Center

---
Kentucky Climate Summary
For the Period February 12 to February 18, 2018

Well Above Normal Temperatures and Precipitation:

Soils have become saturated across the majority of Kentucky with multiple rounds of 
passing rainfall. Kentucky averaged over 1.5 inches this period, marking the 
second straight week the state has exceeded that mark. While the week started with 
a wintry mix in place, temperatures quickly jumped by Tuesday and continued that 
trend through Thursday, ahead of a cold front. Most everyone in the state eventually 
got into the low to middle 70s. The warm temperatures were accompanied by abundant 
moisture being funneled into the region from the Gulf of Mexico. This led to 
moderate to heavy rain at times, pushing rivers and streams to start running high and 
prompting many river flood warnings to be issued. The two week state average now 
sits at 4.03 inches, which is over 2.25 inches above normal. To put that in 
perspective, average February rainfall for Kentucky is 3.68.

Temperatures for the period averaged 47 degrees across the state which was 10 degrees 
warmer than normal and 10 degrees warmer than the previous period. High temperatures 
averaged from 56 in the West to 56 in the East. Departure from normal high 
temperatures ranged from 7 degrees warmer than normal in the West to 7 degrees 
warmer than normal in the East. Low temperatures averaged from 38 degrees in the 
West to 40 degrees in the East. Departure from normal low temperature ranged from 9 
degrees warmer than normal in the West to 15 degrees warmer than normal in the 
East. The extreme high temperature for the period was 77 degrees at BOONEVILLE 2S and 
the extreme low was 19 degrees at CAPE GIRARDEAU ASOS.

Precipitation (liq. equ.) for the period totaled 1.71 inches statewide which was 0.81 
inches above normal and 189% of normal. Precipitation totals by climate division, 
West 1.27 inches, Central 1.55 inches, Bluegrass 2.02 inches and East 2.00 inches, 
which was 0.26, 0.57, 1.24 and 1.16 inches above normal. By station, precipitation 
totals ranged from a low of 0.92 inches at FORT CAMPBELL to a high of 3.06 inches at 
WHITLEY CITY 3N. 

Summarized and averaged data for the period 20180212 to 20180218(Last 7 Days)
(Not for Legal purposes. Departure from Norms based on climate divisional Averages)

                            AIR TEMPERATURE          PRECIPITATION    ExtremeTemp
STATION              MAX  DEV  MIN  DEV  AVR  DEV  TOTAL   DEV  %NORM  HI   LO
--------------------------------------------------------------------------------
WEST(CD1)             56    7   38    9   47    8   1.27   0.26  126   77   19
CENTRAL(CD2)          56    8   39   11   47    9   1.55   0.57  158   77   23
BLUEGRASS(CD3)        53    7   36   10   45    9   2.02   1.24  259   74   20
EAST(CD4)             56    7   40   15   48   11   2.00   1.16  238   77   24
--------------------------------------------------------------------------------
STATE                 55    7   38   11   47   10   1.71   0.81  189   77   19


---
Kentucky Climate Summary
For the Period February 5 to February 11, 2018

Near Normal Temperatures and Well Above Normal Precipitation:

A very active period led to extremely high precipitation totals across the area. The 
first half of the week saw a continuation of winter weather. The most significant 
came Tuesday night and into Wednesday morning as low pressure moved northeast through 
the area. Precipitation fell as freezing rain on the north side of the system, 
resulting in impactful ice accumulations along the Ohio River around a tenth to 
quarter inch. Elsewhere to the south, most precipitation fell as rain with 
accumulations of 1 to 2 inches. Dry conditions prevailed for the end of the 
workweek, but a very slow moving frontal boundary led to a wet weekend. An 
additional two to three inches fell across South-Central and Southeastern Kentucky 
with a very moist atmosphere in place. This led to many flood warnings and advisories 
across the area. Overall, the state averaged over two inches of liquid precipitation 
at 2.32, the most in one week since the end of August and start of September last year.

Temperatures for the period averaged 36 degrees across the state which was near
normal and 4 degrees warmer than the previous period. High temperatures 
averaged from 42 in the West to 48 in the East. Departure from normal high 
temperatures ranged from 5 degrees cooler than normal in the West to 1 degree 
warmer than normal in the East. Low temperatures averaged from 27 degrees in the 
West to 31 degrees in the East. Departure from normal low temperature ranged from 
near normal in the West to 7 degrees warmer than normal in the East. The 
extreme high temperature for the period was 68 degrees at WHITESBURG 2NW and the 
extreme low was 5 degrees at CARBONDALE ASOS.

Precipitation (liq. equ.) for the period totaled 2.32 inches statewide which was 1.44 
inches above normal and 264% of normal. Precipitation totals by climate division, 
West 1.26 inches, Central 2.71 inches, Bluegrass 1.84 inches and East 3.46 inches, 
which was 0.29, 1.75, 1.08 and 2.63 inches above normal. By station, precipitation 
totals ranged from a low of 0.23 inches at CAPE GIRARDEAU ASOS to a high of 5.42 
inches at BARBOURVILLE 3E. 

Summarized and averaged data for the period 20180205 to 20180211(Last 7 Days)
(Not for Legal purposes. Departure from Norms based on climate divisional Averages)

                            AIR TEMPERATURE          PRECIPITATION    ExtremeTemp
STATION              MAX  DEV  MIN  DEV  AVR  DEV  TOTAL   DEV  %NORM  HI   LO
--------------------------------------------------------------------------------
WEST(CD1)             42   -5   27    0   34   -3   1.26   0.29  130   64    5
CENTRAL(CD2)          45   -1   29    3   37    1   2.71   1.75  282   65   15
BLUEGRASS(CD3)        42   -2   28    4   35    1   1.84   1.08  242   63   12
EAST(CD4)             48    1   31    7   39    4   3.46   2.63  417   68   13
--------------------------------------------------------------------------------
STATE                 44   -2   29    4   36    0   2.32   1.44  264   68    5


---
Kentucky Climate Summary
For the Period January 29 to February 4, 2018

Below Normal Temperatures and Precipitation:

Throughout the period, the Bluegrass State saw several rounds of wintry weather, 
starting the forecast of Punxsutawney Phil on a good note that there will be six more 
weeks of winter. Regarding accumulations, all tended to stay on the light side. 
Most staying under an inch of snow with each passing round. This kept precipitation 
below normal for the week. Even with statewide precipitation below normal by an inch 
for the year, the US Drought Monitor only shows abnormally dry conditions showing up 
in Southeastern Kentucky as of the latest update. Temperatures were up and down throughout 
the week, ending the period only slightly below normal.  

Temperatures for the period averaged 33 degrees across the state which was 1 degree 
cooler than normal and 12 degrees cooler than the previous period. High temperatures 
averaged from 42 in the West to 42 in the East. Departure from normal high 
temperatures ranged from 3 degrees cooler than normal in the West to 3 degrees 
cooler than normal in the East. Low temperatures averaged from 25 degrees in the 
West to 24 degrees in the East. Departure from normal low temperature ranged from 1 
degree cooler than normal in the West to 2 degrees warmer than normal in the East. 
The extreme high temperature for the period was 61 degrees at HICKMAN 2E and the 
extreme low was 6 degrees at CALHOUN 5NW.

Precipitation (liq. equ.) for the period totaled 0.57 inches statewide which was 0.28 
inches below normal and 67% of normal. Precipitation totals by climate division, West 
0.41 inches, Central 0.57 inches, Bluegrass 0.32 inches and East 0.99 inches, which 
was -0.51, -0.35, -0.41 and 0.17 inches respectively from normal. By station, 
precipitation totals ranged from a low of 0.06 inches at CARBONDALE ASOS to a high of 
1.60 inches at PIKEVILLE AWOS. 

Summarized and averaged data for the period 20180129 to 20180204(Last 7 Days)
(Not for Legal purposes. Departure from Norms based on climate divisional Averages)

                            AIR TEMPERATURE          PRECIPITATION    ExtremeTemp
STATION              MAX  DEV  MIN  DEV  AVR  DEV  TOTAL   DEV  %NORM  HI   LO
--------------------------------------------------------------------------------
WEST(CD1)             42   -3   25   -1   34   -1   0.41  -0.51   45   61    6
CENTRAL(CD2)          42   -2   25    0   33   -1   0.57  -0.35   62   58   10
BLUEGRASS(CD3)        40   -2   24    1   32    0   0.32  -0.41   44   56    9
EAST(CD4)             42   -3   24    2   33   -1   0.99   0.17  121   59    8
--------------------------------------------------------------------------------
STATE                 42   -2   24    0   33   -1   0.57  -0.28   67   61    6


---
Kentucky Climate Summary
For the Period January 22 to January 28, 2018

Well Above Normal Temperatures and Above Normal Precipitation:

Kentucky enjoyed a rather warm week relative to where the state has been. Other than 
a short-lived cold spell midweek, much of the area saw highs jump into the 50s for 
the remainder of the period. After not seeing much precipitation the week before, 
Kentucky had a couple systems pass through the region throughout the period, one 
coming on Monday and the other on Saturday. Both brought a round of widespread 
rainfall. The Saturday event ended up being the more significant as a band of 
showers made slow progress across the state. Most of the Commonwealth saw between a 
half to one inch of accumulation. With that said, the Monday event did bring 
something that has not been seen in a while, a round of scattered thunderstorms that 
did lead to gusts around 50 mph for some locations.  

Temperatures for the period averaged 46 degrees across the state which was 13 degrees 
warmer than normal and 18 degrees warmer than the previous period. High temperatures 
averaged from 54 in the West to 53 in the East. Departure from normal high 
temperatures ranged from 10 degrees warmer than normal in the West to 9 degrees 
warmer than normal in the East. Low temperatures averaged from 39 degrees in the 
West to 37 degrees in the East. Departure from normal low temperature ranged from 14 
degrees warmer than normal in the West to 15 degrees warmer than normal in the 
East. The extreme high temperature for the period was 68 degrees at LOUISA 1S and the 
extreme low was 14 degrees at MONTICELLO AWOS.

Precipitation (liq. equ.) for the period totaled 0.89 inches statewide which was 0.1 
inches above normal and 113% of normal. Precipitation totals by climate division, 
West 1.05 inches, Central 0.95 inches, Bluegrass 0.83 inches and East 0.72 inches, 
which was 0.21, 0.11, 0.14 and -0.07 inches respectively from normal. By station, 
precipitation totals ranged from a low of 0.19 inches at MONTICELLO AWOS to a high of 
1.47 inches at MUNFORDVILLE 6E. 

Summarized and averaged data for the period 20180122 to 20180128(Last 7 Days)
(Not for Legal purposes. Departure from Norms based on climate divisional Averages)

                            AIR TEMPERATURE          PRECIPITATION    ExtremeTemp
STATION              MAX  DEV  MIN  DEV  AVR  DEV  TOTAL   DEV  %NORM  HI   LO
--------------------------------------------------------------------------------
WEST(CD1)             54   10   39   14   46   12   1.05   0.21  125   64   22
CENTRAL(CD2)          54   11   41   17   47   14   0.95   0.11  113   63   20
BLUEGRASS(CD3)        51   10   38   16   45   13   0.83   0.14  120   63   18
EAST(CD4)             53    9   37   15   45   12   0.72  -0.07   91   68   14
--------------------------------------------------------------------------------
STATE                 53   10   39   16   46   13   0.89   0.10  113   68   14


---
Kentucky Climate Summary
For the Period January 15 to January 21, 2018

Below Normal Temperatures and Precipitation:

A second round of winter storms arrived to start the period. A slow moving band of 
light to moderate snow progressed across the area over the course of Monday and 
Tuesday. As opposed to the previous system, temperatures were cold enough for a 
total snow event. While liquid-equivalent precipitation accumulations were under two 
tenths of an inch for the week, it did not take much moisture to produce significant 
snowfall totals. Overall, most of the state received at least 2 inches of snowfall, 
but a large percentage received in excess of four. Six to eight inches in some 
spots, especially Western Kentucky.

Arctic air filtered back into the area with the snowfall. Temperatures dropped back 
down into the single digits for a few nights and even well below zero for some. This 
was the case Wednesday night when Monticello dropped to -17. Not a typo! Luckily, 
the thermometer when on the warming trend through the remainder of the week, 
eventually hitting the upper 50s to low 60s on Sunday.

Temperatures for the period averaged 28 degrees across the state which was 5 degrees 
cooler than normal and 8 degrees cooler than the previous period. High temperatures 
averaged from 35 in the West to 40 in the East. Departure from normal high 
temperatures ranged from 8 degrees cooler than normal in the West to 3 degrees 
cooler than normal in the East. Low temperatures averaged from 19 degrees in the 
West to 17 degrees in the East. Departure from normal low temperature ranged from 6 
degrees cooler than normal in the West to 6 degrees cooler than normal in the East. 
The extreme high temperature for the period was 67 degrees at BOONEVILLE 2S and the 
extreme low was -17 degrees at MONTICELLO AWOS.

Precipitation (liq. equ.) for the period totaled 0.15 inches statewide which was 0.68 
inches below normal and 18% of normal. Precipitation totals by climate division, West 
0.15 inches, Central 0.15 inches, Bluegrass 0.17 inches and East 0.15 inches, which 
was 0.73, 0.73, 0.55 and 0.71 inches below normal. By station, precipitation totals 
ranged from a low of 0.01 inches at FORT CAMPBELL to a high of 0.41 inches at JACKSON 
AIRPORT.

Summarized and averaged data for the period 20180115 to 20180121(Last 7 Days)
(Not for Legal purposes. Departure from Norms based on climate divisional Averages)

                            AIR TEMPERATURE          PRECIPITATION    ExtremeTemp
STATION              MAX  DEV  MIN  DEV  AVR  DEV  TOTAL   DEV  %NORM  HI   LO
--------------------------------------------------------------------------------
WEST(CD1)             35   -8   19   -6   27   -7   0.15  -0.73   17   66   -7
CENTRAL(CD2)          37   -5   19   -5   28   -5   0.15  -0.73   17   66  -11
BLUEGRASS(CD3)        35   -6   19   -4   27   -5   0.17  -0.55   24   64   -5
EAST(CD4)             40   -3   17   -6   28   -5   0.15  -0.71   17   67  -17
--------------------------------------------------------------------------------
STATE                 37   -5   18   -6   28   -5   0.15  -0.68   18   67  -17


---
Kentucky Climate Summary
For the Period January 8 to January 14, 2018

Above Normal Temperatures and Precipitation:

After a deep freeze the week before, Kentucky started to thaw out over the first half 
of the period. South/southwest flow became established on Wednesday and Thursday 
with highs pushing into the 50s and 60s. With that said, the warmth did not last long 
as another Arctic front pushed through the Ohio Valley Thursday night and into 
Friday. Widespread precipitation progressed across the region during this period and 
with temperatures dropping, Kentucky saw the first significant winter storm of the 
season. Most everyone saw a period of a wintry mix before changing to all snow, some 
longer than others. Ice accumulations were highest across the western half of 
Kentucky with a quarter inch in some spots. Snow accumulations across the state 
ranged from as little as 1 inch to 6+ inches south of Paducah. Snow tapered off on 
Saturday, but the cold remained. A fresh snowpack on Saturday night took many areas 
back down to around zero for lows.

Temperatures for the period averaged 37 degrees across the state which was 4 degrees 
warmer than normal and 22 degrees warmer than the previous period. High temperatures 
averaged from 42 in the West to 47 in the East. Departure from normal high 
temperatures ranged from 1 degree cooler than normal in the West to 3 degrees 
warmer than normal in the East. Low temperatures averaged from 30 degrees in the 
West to 30 degrees in the East. Departure from normal low temperature ranged from 4 
degrees warmer than normal in the West to 6 degrees warmer than normal in the 
East. The extreme high temperature for the period was 74 degrees at LOUISA 1S and 
the extreme low was -10 degrees at VANCEBURG 6W.

Precipitation (liq. equ.) for the period totaled 1.27 inches statewide which was 0.4 
inches below normal and 145% of normal. Precipitation totals by climate division, West 
2.09 inches, Central 1.04 inches, Bluegrass 1.06 inches and East 0.89 inches, which 
was 1.17, 0.11, 0.31 and -0.01 inches respectively from normal. By station, precipitation 
totals ranged from a low of 0.12 inches at MONTICELLO AWOS to a high of 3.67 inches at 
CINCINNATI. 

Summarized and averaged data for the period 20180108 to 20180114(Last 7 Days)
(Not for Legal purposes. Departure from Norms based on climate divisional Averages)

                            AIR TEMPERATURE          PRECIPITATION    ExtremeTemp
STATION              MAX  DEV  MIN  DEV  AVR  DEV  TOTAL   DEV  %NORM  HI   LO
--------------------------------------------------------------------------------
WEST(CD1)             42   -1   30    4   36    2   2.09   1.17  227   66   -1
CENTRAL(CD2)          46    4   30    5   38    4   1.04   0.11  112   69   -6
BLUEGRASS(CD3)        45    4   28    5   36    4   1.06   0.31  141   70   -8
EAST(CD4)             47    3   30    6   38    4   0.89  -0.01   99   74  -10
--------------------------------------------------------------------------------
STATE                 45    2   30    6   37    4   1.27   0.40  145   74  -10


---
Kentucky Climate Summary
For the Period January 1 to January 7, 2018

Well Below Normal Temperatures and Precipitation:

The New Year started with extremely cold conditions in place and that may very well 
be an understatement. For the week, low temperatures averaged in the single digits, 
which is roughly 20 degrees below normal. Low temperatures on the morning of the 2nd 
even dipped below zero for much of Kentucky, marking the first time this had happened 
since late winter of 2015. Wind chills consistently dropped below zero, prompting 
Wind Chill Advisory’s to be issued at times. This continued the extended period of 
livestock cold stress conditions in the emergency category. As Arctic high pressure 
finally shifted east late in the weekend, the state did see some southerly flow that 
actually sent temperatures above the freezing mark. For much of Kentucky, this was 
the first time it happened since December 23rd. Every now and then, the state would 
see some isolated to scattered flurries and snow showers, but nothing that really 
amounted to much in the way of accumulation. With that said, most of Kentucky did 
not see any precipitation for the week, marking a second straight week of similar 
conditions.

Temperatures for the period averaged 15 degrees across the state which was 18 degrees 
cooler than normal and 6 degrees cooler than the previous period. High temperatures 
averaged from 26 in the West to 26 in the East. Departure from normal high 
temperatures ranged from 17 degrees cooler than normal in the West to 18 degrees 
cooler than normal in the East. Low temperatures averaged from 6 degrees in the 
West to 5 degrees in the East. Departure from normal low temperature ranged from 20 
degrees cooler than normal in the West to 19 degrees cooler than normal in the 
East. The extreme high temperature for the period was 46 degrees at HARTFORD 3E and 
the extreme low was -9 degrees at ALEXANDRIA 5NW.

Precipitation (liq. equ.) for the period totaled 0.00 inches statewide which was 0.89 
inches below normal and 0% of normal. Precipitation totals by climate division, West 
0.01 inches, Central 0.00 inches, Bluegrass 0.00 inches and East 0.00 inches, which 
was 0.92, 0.96, 0.76 and 0.9 inches below normal. By station, precipitation totals 
ranged from a low of 0.00 inches at ALBANY 1N to a high of 0.07 inches at 
CAPE GIRARDEAU ASOS. 

Summarized and averaged data for the period 20180101 to 20180107(Last 7 Days)
(Not for Legal purposes. Departure from Norms based on climate divisional Averages)

                            AIR TEMPERATURE          PRECIPITATION    ExtremeTemp
STATION              MAX  DEV  MIN  DEV  AVR  DEV  TOTAL   DEV  %NORM  HI   LO
--------------------------------------------------------------------------------
WEST(CD1)             26  -17    6  -20   16  -18   0.01  -0.92    1   46   -7
CENTRAL(CD2)          25  -17    5  -20   15  -19   0.00  -0.96    0   45   -7
BLUEGRASS(CD3)        24  -17    2  -22   13  -19   0.00  -0.76    0   43   -9
EAST(CD4)             26  -18    5  -19   15  -19   0.00  -0.90    0   43   -9
--------------------------------------------------------------------------------
STATE                 25  -18    4  -21   15  -18   0.00  -0.89    0   46   -9
 
Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky