Climatological Report (Seasonal) Issued by NWS
000
CXUS53 KLOT 021118 CCA
CLSORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1056 AM CDT THU JUN 01 2023
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2023 TO 5/31/2023...
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 98 05/31/1934
LOW -12 03/04/1873
HIGHEST 91 05/30 91 05/12
05/31
LOWEST 12 03/18 11 03/12
AVG. MAXIMUM 60.7 58.8 1.9 58.8
AVG. MINIMUM 41.3 40.6 0.7 42.2
MEAN 51.0 49.7 1.3 50.5
DAYS MAX >= 90 2 0.8 1.2 2
DAYS MAX <= 32 1 3.1 -2.1 3
DAYS MIN <= 32 20 26.1 -6.1 18
DAYS MIN <= 0 0 0.2 -0.2 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 17.51 1983
MINIMUM 2.73 1887
TOTALS 6.53 10.69 -4.16 12.47
DAILY AVG. 0.07 0.12 -0.05 0.14
DAYS >= .01 38 35.6 2.4 39
DAYS >= .10 20 20.7 -0.7 26
DAYS >= .50 3 6.9 -3.9 6
DAYS >= 1.00 1 2.3 -1.3 3
GREATEST
24 HR. TOTAL 1.19 1.57
SNOWFALL (INCHES)
RECORDS
TOTAL 29.7 1926
TOTALS 2.3 6.8 -4.5 4.2
SINCE 7/1 20.2 38.4 -18.2 32.8
DAYS >= 1.0 0 1.9 -1.9 1
GREATEST
SNOW DEPTH 1 03/10 1 03/07
03/08
03/11
24 HR TOTAL 1.2 2.9
DEGREE DAYS
HEATING TOTAL 1358 1474 -116 1453
SINCE 7/1 5393 5943 -550 5670
COOLING TOTAL 93 70 23 145
SINCE 1/1 93 70 23 145
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WIND (MPH)
AVERAGE WIND SPEED 10.2
HIGHEST WIND SPEED/DIRECTION 36/260 DATE 03/31
HIGHEST GUST SPEED/DIRECTION 52/260 DATE 03/31
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.65
NUMBER OF DAYS FAIR 13
NUMBER OF DAYS PC 44
NUMBER OF DAYS CLOUDY 35
AVERAGE RH (PERCENT) 57
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 0
HEAVY RAIN 7 RAIN 11
LIGHT RAIN 37 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 4
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 13 SLEET 3
FOG 30 FOG W/VIS <= 1/4 MILE 1
HAZE 16
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$