Climatological Report (Monthly) Issued by NWS
000
CXUS53 KLOT 011340
CLMORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
840 AM CDT THU JUN 01 2023
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF MAY 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 27 05/02/1875
HIGHEST 91 05/30 91 05/12
05/31
LOWEST 38 05/03 39 05/04
AVG. MAXIMUM 73.8 70.5 3.3 72.2
AVG. MINIMUM 51.0 50.6 0.4 55.2
MEAN 62.4 60.6 1.8 63.7
DAYS MAX >= 90 2 0.8 1.2 2
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.2 -0.2 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.51 2020
MINIMUM 0.30 1992
TOTALS 0.71 4.49 -3.78 3.47
DAILY AVG. 0.02 0.14 -0.12 0.11
DAYS >= .01 8 12.5 -4.5 9
DAYS >= .10 2 8.1 -6.1 8
DAYS >= .50 0 3.0 -3.0 1
DAYS >= 1.00 0 1.1 -1.1 1
GREATEST
24 HR. TOTAL 0.29 05/31 TO 05/31 1.31
SNOWFALL (INCHES)
RECORDS
TOTAL T 2019
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 20.2 38.4 -18.2 MM
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0 MM
24 HR TOTAL MM 0.0
DEGREE DAYS
HEATING TOTAL 140 198 -58 173
SINCE 7/1 5393 5943 -550 MM
COOLING TOTAL 68 60 8 142
SINCE 1/1 93 70 23 MM
................................................................
WIND (MPH)
AVERAGE WIND SPEED 9.1
HIGHEST WIND SPEED/DIRECTION 30/020 DATE 05/16
HIGHEST GUST SPEED/DIRECTION 39/310 DATE 05/01
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.60
NUMBER OF DAYS FAIR 5
NUMBER OF DAYS PC 16
NUMBER OF DAYS CLOUDY 10
AVERAGE RH (PERCENT) 52
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 4 FOG W/VIS <= 1/4 MILE 0
HAZE 6
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$