Climatological Report (Monthly)
Issued by NWS
Issued by NWS
081
CXUS53 KLOT 011554
CLMMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
954 AM CST SAT FEB 01 2025
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...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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 67 01/31/1989
01/25/1950
LOW -25 01/20/1985
HIGHEST 49 01/28 42 01/26
01/30
01/27
01/30
LOWEST -6 01/21 -9 01/14
01/15
AVG. MAXIMUM 31.3 32.7 -1.4 32.1
AVG. MINIMUM 16.8 19.4 -2.6 23.2
MEAN 24.1 26.0 -1.9 27.7
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 17 15.0 2.0 8
DAYS MIN <= 32 29 27.0 2.0 21
DAYS MIN <= 0 3 2.1 0.9 3
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.19 1993
MINIMUM 0.13 1981
TOTALS 1.16 1.48 -0.32 2.29
DAILY AVG. 0.04 0.05 -0.01 0.07
DAYS >= .01 6 8.4 -2.4 14
DAYS >= .10 2 3.4 -1.4 6
DAYS >= .50 1 1.0 0.0 1
DAYS >= 1.00 0 0.1 -0.1 0
GREATEST
24 HR. TOTAL 1.03 01/30 TO 01/31 0.84
DEGREE DAYS
HEATING TOTAL 1260 1207 53 1149
SINCE 7/1 2934 3333 -399 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 11.6
HIGHEST WIND SPEED/DIRECTION 30/240 DATE 01/27
HIGHEST GUST SPEED/DIRECTION 46/240 DATE 01/27
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.59
NUMBER OF DAYS FAIR 4
NUMBER OF DAYS PC 18
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 59
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 1
LIGHT RAIN 3 FREEZING RAIN 0
LT FREEZING RAIN 2 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 15 SLEET 0
FOG 14 FOG W/VIS <= 1/4 MILE 1
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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