Climatological Report (Seasonal) Issued by NWS
000
CXUS53 KLOT 012048
CLSORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
248 PM CST WED MAR 01 2023
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2022 TO 2/28/2023...
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
................................................................
TEMPERATURE (F)
RECORD
HIGH 75 02/27/1976
LOW -27 01/20/1985
HIGHEST 59 12/29 66 12/15
12/16
LOWEST -8 12/23 -6 01/26
AVG. MAXIMUM 38.5 34.6 3.9 36.6
AVG. MINIMUM 25.0 21.6 3.4 20.8
MEAN 31.8 28.1 3.7 28.7
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 23 38.1 -15.1 33
DAYS MIN <= 32 62 77.9 -15.9 80
DAYS MIN <= 0 5 6.4 -1.4 3
PRECIPITATION (INCHES)
RECORD
MAXIMUM 13.79 1950
MINIMUM 1.60 1931
TOTALS 8.59 6.07 2.52 5.73
DAILY AVG. 0.10 0.07 0.03 0.06
DAYS >= .01 28 31.0 -3.0 29
DAYS >= .10 17 14.7 2.3 13
DAYS >= .50 5 3.3 1.7 3
DAYS >= 1.00 4 0.7 3.3 0
GREATEST
24 HR. TOTAL 1.51 12/14 TO 12/15 1.02
SNOWFALL (INCHES)
RECORDS
TOTAL 80.6 1979
TOTALS 16.8 29.6 -12.8 28.6
SINCE 7/1 17.9 31.6 -13.7 28.6
DAYS >= 1.0 7 8.9 -1.9 9
GREATEST
SNOW DEPTH 3 01/29 6 01/29
01/30
01/31
02/01
24 HR TOTAL 3.6 01/25 TO 01/25 5.6 02/03
DEGREE DAYS
HEATING TOTAL 2970 3318 -348 3249
SINCE 7/1 4035 4470 -435 4217
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 0
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WIND (MPH)
AVERAGE WIND SPEED 10.2
HIGHEST WIND SPEED/DIRECTION 32/270 DATE 12/23
32/190 02/14
32/240 02/15
HIGHEST GUST SPEED/DIRECTION 55/180 DATE 02/14
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.75
NUMBER OF DAYS FAIR 10
NUMBER OF DAYS PC 24
NUMBER OF DAYS CLOUDY 56
AVERAGE RH (PERCENT) 70
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 1
HEAVY RAIN 7 RAIN 13
LIGHT RAIN 23 FREEZING RAIN 0
LT FREEZING RAIN 4 HAIL 4
HEAVY SNOW 0 SNOW 7
LIGHT SNOW 29 SLEET 5
FOG 45 FOG W/VIS <= 1/4 MILE 7
HAZE 20
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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