Climatological Report (Seasonal) Issued by NWS
000
CXUS53 KLOT 011818 CCA
CLSORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1245 PM CDT FRI SEP 01 2023
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...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2023 TO 8/31/2023...
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 105 07/24/1934
LOW 35 06/04/1945
HIGHEST 100 08/24 99 06/21
LOWEST 49 06/12 52 06/19
AVG. MAXIMUM 83.0 82.5 0.5 83.0
AVG. MINIMUM 64.1 64.1 0.0 64.8
MEAN 73.6 73.3 0.3 73.9
DAYS MAX >= 90 16 14.3 1.7 14
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 23.48 1987
MINIMUM 3.16 1894
TOTALS 11.30 12.06 -0.76 9.21
DAILY AVG. 0.12 0.13 -0.01 0.10
DAYS >= .01 26 30.2 -4.2 27
DAYS >= .10 17 19.0 -2.0 18
DAYS >= .50 7 7.9 -0.9 7
DAYS >= 1.00 2 3.3 -1.3 1
GREATEST
24 HR. TOTAL 3.79 07/01 TO 07/02 1.79
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
TOTALS 0.0 0.0 0.0 T
SINCE 7/1 0.0 0.0 0.0 T
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0
24 HR TOTAL 0.0 0.0
DEGREE DAYS
HEATING TOTAL 27 37 -10 7
SINCE 7/1 2 2 0 0
COOLING TOTAL 841 802 39 856
SINCE 1/1 934 872 62 1001
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WIND (MPH)
AVERAGE WIND SPEED 8.2
HIGHEST WIND SPEED/DIRECTION 37/320 DATE 07/28
HIGHEST GUST SPEED/DIRECTION 58/270 DATE 07/14
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.54
NUMBER OF DAYS FAIR 22
NUMBER OF DAYS PC 53
NUMBER OF DAYS CLOUDY 17
AVERAGE RH (PERCENT) 64
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 19 MIXED PRECIP 0
HEAVY RAIN 13 RAIN 17
LIGHT RAIN 27 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 28 FOG W/VIS <= 1/4 MILE 0
HAZE 23
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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