Climatological Report (Monthly)
Issued by NWS
Issued by NWS
700
CXUS53 KLOT 011705
CLMMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1205 PM CDT FRI NOV 01 2024
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...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 94 10/06/1963
LOW 20 10/24/1981
10/18/1948
10/20/1930
HIGHEST 86 10/05 87 10/03
LOWEST 38 10/16 29 10/31
10/17
AVG. MAXIMUM 70.6 63.4 7.2 63.9
AVG. MINIMUM 50.4 46.5 3.9 48.7
MEAN 60.5 54.9 5.6 56.3
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.9 -0.9 2
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 12.06 1954
MINIMUM 0.20 1964
TOTALS 1.22 3.48 -2.26 2.75
DAILY AVG. 0.04 0.11 -0.07 0.09
DAYS >= .01 6 11.5 -5.5 14
DAYS >= .10 2 6.3 -4.3 8
DAYS >= .50 1 2.2 -1.2 0
DAYS >= 1.00 0 1.0 -1.0 0
GREATEST
24 HR. TOTAL 0.70 10/24 TO 10/25 0.89
DEGREE DAYS
HEATING TOTAL 172 332 -160 313
SINCE 7/1 182 393 -211 MM
COOLING TOTAL 40 20 20 50
SINCE 1/1 1382 1112 270 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.7
HIGHEST WIND SPEED/DIRECTION 32/290 DATE 10/13
32/280 10/31
HIGHEST GUST SPEED/DIRECTION 50/270 DATE 10/31
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.39
NUMBER OF DAYS FAIR 14
NUMBER OF DAYS PC 11
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 52
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 3
LIGHT RAIN 6 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 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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