Climatological Report (Monthly) Issued by NWS
000
CXUS53 KLOT 020209 CCA
CLMORD
CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE CHICAGO IL
809 PM CST WED FEB 01 2023
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...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2023
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 57 01/11 44 01/18
LOWEST -1 01/31 -6 01/26
AVG. MAXIMUM 37.5 31.6 5.9 28.6
AVG. MINIMUM 27.1 18.8 8.3 12.6
MEAN 32.3 25.2 7.1 20.6
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 9 16.5 -7.5 18
DAYS MIN <= 32 21 28.1 -7.1 31
DAYS MIN <= 0 1 3.5 -2.5 3
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.84 1916
MINIMUM 0.10 1981
TOTALS 2.60 1.99 0.61 0.84
DAILY AVG. 0.08 0.06 0.02 0.03
DAYS >= .01 14 11.0 3.0 10
DAYS >= .10 8 5.2 2.8 3
DAYS >= .50 1 1.1 -0.1 0
DAYS >= 1.00 1 0.1 0.9 0
GREATEST
24 HR. TOTAL 1.12 01/03 TO 01/03 0.24
SNOWFALL (INCHES)
RECORDS
TOTAL 42.5 1918
TOTALS 9.9 11.3 -1.4 13.9
SINCE 7/1 14.2 20.9 -6.7 MM
SNOWDEPTH AVG. 1 2
DAYS >= 1.0 3 3.6 -0.6 4
GREATEST
SNOW DEPTH 3 01/29 6 01/29
01/30
01/31
24 HR TOTAL 3.6 01/25 TO 01/25 3.5
DEGREE DAYS
HEATING TOTAL 1005 1234 -229 1370
SINCE 7/1 3171 3448 -277 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.9
HIGHEST WIND SPEED/DIRECTION 28/360 DATE 01/12
28/100 01/18
HIGHEST GUST SPEED/DIRECTION 41/250 DATE 01/27
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.89
NUMBER OF DAYS FAIR 1
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 26
AVERAGE RH (PERCENT) 77
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 1
HEAVY RAIN 2 RAIN 4
LIGHT RAIN 7 FREEZING RAIN 0
LT FREEZING RAIN 3 HAIL 2
HEAVY SNOW 0 SNOW 4
LIGHT SNOW 16 SLEET 3
FOG 23 FOG W/VIS <= 1/4 MILE 5
HAZE 9
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
NO RECORDS SET OR TIED IN JANUARY 2023
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