470
CXUS53 KLOT 011827
CLSORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1227 PM CST FRI MAR 01 2024
...............................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2023 TO 2/29/2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 75 02/27/1976
LOW -27 01/20/1985
HIGHEST 74 02/27 59 12/29
LOWEST -10 01/14 -8 12/23
01/15
AVG. MAXIMUM 41.4 34.6 6.8 38.5
AVG. MINIMUM 28.4 21.6 6.8 25.0
MEAN 34.9 28.1 6.8 31.8
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 10 38.0 -28.0 23
DAYS MIN <= 32 60 77.9 -17.9 62
DAYS MIN <= 0 3 6.4 -3.4 5
PRECIPITATION (INCHES)
RECORD
MAXIMUM 13.79 1950
MINIMUM 1.60 1931
TOTALS 7.12 6.07 1.05 8.59
DAILY AVG. 0.08 NAN NAN 0.10
DAYS >= .01 34 31.0 3.0 28
DAYS >= .10 17 14.7 2.3 17
DAYS >= .50 4 3.3 0.7 7
DAYS >= 1.00 0 0.7 -0.7 4
GREATEST
24 HR. TOTAL 1.00 01/08 TO 01/09 1.51
SNOWFALL (INCHES)
RECORDS
TOTAL 80.6 1979
TOTALS 18.5 29.6 -11.1 16.8
SINCE 7/1 21.2 31.6 -10.4 17.9
DAYS >= 1.0 6 9.0 -3.0 7
GREATEST
SNOW DEPTH 5 01/13 3 01/30
01/19
01/31
02/01
24 HR TOTAL 5.7 01/12 TO 01/13 3.6
DEGREE DAYS
HEATING TOTAL 2724 3318 -594 2970
SINCE 7/1 3688 4534 -846 4035
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 0
............................................................
WIND (MPH)
AVERAGE WIND SPEED 9.4
HIGHEST WIND SPEED/DIRECTION 37/090 DATE 01/12
HIGHEST GUST SPEED/DIRECTION 55/090 DATE 01/12
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.71
NUMBER OF DAYS FAIR 13
NUMBER OF DAYS PC 27
NUMBER OF DAYS CLOUDY 51
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 7
LIGHT RAIN 31 FREEZING RAIN 0
LT FREEZING RAIN 4 HAIL 4
HEAVY SNOW 3 SNOW 4
LIGHT SNOW 24 SLEET 5
FOG 47 FOG W/VIS <= 1/4 MILE 9
HAZE 14
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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