Climatological Report (Monthly) Issued by NWS
000
CXUS53 KLOT 011640
CLMORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1040 AM CST THU FEB 01 2024
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...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2024
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 01/25/1950
LOW -27 01/20/1985
HIGHEST 41 01/27 57 01/11
01/30
LOWEST -10 01/14 -1 01/31
01/15
AVG. MAXIMUM 30.7 31.6 -0.9 37.5
AVG. MINIMUM 21.8 18.8 3.0 27.1
MEAN 26.3 25.2 1.1 32.3
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 9 17.0 -8.0 9
DAYS MIN <= 32 22 28.1 -6.1 21
DAYS MIN <= 0 3 3.5 -0.5 1
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.84 1916
MINIMUM 0.10 1981
TOTALS 3.50 1.99 1.51 2.60
DAILY AVG. 0.11 0.06 0.05 0.08
DAYS >= .01 17 11.0 6.0 14
DAYS >= .10 7 5.2 1.8 8
DAYS >= .50 2 1.1 0.9 1
DAYS >= 1.00 0 0.1 -0.1 1
GREATEST
24 HR. TOTAL 1.00 01/08 TO 01/09 1.12
SNOWFALL (INCHES)
RECORDS
TOTAL 42.5 1918
TOTALS 16.1 11.3 4.8 9.9
SINCE 7/1 20.0 20.9 -0.9 MM
SNOWDEPTH AVG. 2 1
DAYS >= 1.0 5 4.0 1.0 3
GREATEST
SNOW DEPTH 5 01/13 3 01/29
01/19
01/30
01/31
24 HR TOTAL 5.7 01/12 TO 01/13 3.6
DEGREE DAYS
HEATING TOTAL 1193 1234 -41 1005
SINCE 7/1 2955 3448 -493 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.9
HIGHEST WIND SPEED/DIRECTION 37/090 DATE 01/12
HIGHEST GUST SPEED/DIRECTION 55/090 DATE 01/12
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.86
NUMBER OF DAYS FAIR 2
NUMBER OF DAYS PC 5
NUMBER OF DAYS CLOUDY 24
AVERAGE RH (PERCENT) 80
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 3 HAIL 1
HEAVY SNOW 2 SNOW 4
LIGHT SNOW 16 SLEET 4
FOG 22 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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