Climatological Report (Monthly) Issued by NWS
000
CXUS53 KLOT 011420
CLMMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
920 AM CDT MON MAY 01 2023
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...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 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 92 04/30/1942
LOW 10 04/07/1982
HIGHEST 84 04/13 86 04/23
04/14
LOWEST 32 04/02 33 04/01
04/17
04/03
AVG. MAXIMUM 63.0 59.9 3.1 57.3
AVG. MINIMUM 42.2 41.4 0.8 41.5
MEAN 52.6 50.6 2.0 49.4
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 2 3.3 -1.3 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.33 1947
MINIMUM 0.45 1971
TOTALS 1.55 3.57 -2.02 3.59
DAILY AVG. 0.05 0.12 -0.07 0.12
DAYS >= .01 14 11.5 2.5 17
DAYS >= .10 7 6.9 0.1 10
DAYS >= .50 0 2.5 -2.5 4
DAYS >= 1.00 0 0.9 -0.9 0
GREATEST
24 HR. TOTAL 0.41 04/03 TO 04/04 0.72
DEGREE DAYS
HEATING TOTAL 393 439 -46 470
SINCE 7/1 5091 5551 -460 MM
COOLING TOTAL 26 9 17 9
SINCE 1/1 26 11 15 MM
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WIND (MPH)
AVERAGE WIND SPEED 10.7
HIGHEST WIND SPEED/DIRECTION 36/180 DATE 04/05
HIGHEST GUST SPEED/DIRECTION 54/180 DATE 04/05
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.62
NUMBER OF DAYS FAIR 6
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 14
AVERAGE RH (PERCENT) 56
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 4
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 1
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 5 SLEET 0
FOG 7 FOG W/VIS <= 1/4 MILE 0
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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