Climatological Report (Monthly)
Issued by NWS
Issued by NWS
189
CXUS53 KLOT 011608
CLMMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1008 AM CST SAT MAR 01 2025
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...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 75 02/27/1976
LOW -20 02/09/1933
HIGHEST 60 02/28 74 02/27
LOWEST -2 02/18 14 02/17
AVG. MAXIMUM 36.1 36.8 -0.7 50.0
AVG. MINIMUM 21.8 22.6 -0.8 31.8
MEAN 28.9 29.7 -0.8 40.9
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 11 10.0 1.0 1
DAYS MIN <= 32 22 23.3 -1.3 18
DAYS MIN <= 0 1 1.1 -0.1 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 6.76 1997
MINIMUM 0.10 2003
TOTALS 0.20 1.46 -1.26 0.69
DAILY AVG. 0.01 0.05 -0.04 0.02
DAYS >= .01 3 8.1 -5.1 5
DAYS >= .10 1 3.4 -2.4 3
DAYS >= .50 0 0.8 -0.8 0
DAYS >= 1.00 0 0.2 -0.2 0
GREATEST
24 HR. TOTAL 0.12 02/14 TO 02/14 0.34
DEGREE DAYS
HEATING TOTAL 1004 988 16 693
SINCE 7/1 3938 4322 -384 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 10.7
HIGHEST WIND SPEED/DIRECTION 35/270 DATE 02/28
HIGHEST GUST SPEED/DIRECTION 50/280 DATE 02/28
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.70
NUMBER OF DAYS FAIR 1
NUMBER OF DAYS PC 16
NUMBER OF DAYS CLOUDY 11
AVERAGE RH (PERCENT) 61
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 7 FREEZING RAIN 0
LT FREEZING RAIN 3 HAIL 0
HEAVY SNOW 1 SNOW 2
LIGHT SNOW 13 SLEET 0
FOG 11 FOG W/VIS <= 1/4 MILE 1
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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