Climatological Report (Seasonal)
Issued by NWS

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CXUS53 KILX 011147
CLSMTO

CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
647 AM CDT TUE JUN 01 2021

...................................

...THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2021 TO 5/31/2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             MM   MM
 LOW              22   03/02/2021
HIGHEST           85   05/23         MM      MM       86
                       05/24
                       05/25
LOWEST            22R  03/02         MM      MM       24
AVG. MAXIMUM    64.2               63.4     0.8     61.7
AVG. MINIMUM    44.0               43.4     0.6     43.5
MEAN            54.1               53.4     0.7     52.6
DAYS MAX >= 90     0                0.4    -0.4        0
DAYS MAX <= 32     0                1.5    -1.5        0
DAYS MIN <= 32    13               19.7    -6.7       14
DAYS MIN <= 0      0                0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM          MM   MM
 MINIMUM          MM   MM
TOTALS         11.36              10.22    1.14    10.44
DAILY AVG.      0.13                                0.12
DAYS >= .01       33               31.7     1.3       38
DAYS >= .10       23               19.6     3.4       24
DAYS >= .50        5                6.1    -1.1        7
DAYS >= 1.00       1                2.2    -1.2        1
GREATEST
 24 HR. TOTAL   3.38                                1.20


DEGREE DAYS
HEATING TOTAL   1075               1175    -100     1196
 SINCE 7/1      5151               5285    -134     5083
COOLING TOTAL    100                106      -6       85
 SINCE 1/1       100                106      -6       85

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        10/05
LATEST                          05/09
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.3
HIGHEST WIND SPEED/DIRECTION    35/MM     DATE  03/18
HIGHEST GUST SPEED/DIRECTION    48/070    DATE  03/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.36
NUMBER OF DAYS FAIR           51
NUMBER OF DAYS PC             19
NUMBER OF DAYS CLOUDY         22

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             12     MIXED PRECIP               0
HEAVY RAIN               18     RAIN                      19
LIGHT RAIN               41     FREEZING RAIN              1
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                1     SLEET                      0
FOG                      34     FOG W/VIS <= 1/4 MILE      5
HAZE                      6

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$


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