Climatological Report (Seasonal) Issued by NWS
591
CXUS53 KLOT 021728
CLSORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1128 AM CST WED DEC 02 2020
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2020 TO 11/30/2020...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1871 TO 2020
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 101 09/02/1953
09/01/1953
LOW -2 11/24/1950
11/29/1872
HIGHEST 88 09/03 MM MM 90
09/02
LOWEST 28 11/02 MM MM 7
AVG. MAXIMUM 63.7 61.8 1.9 59.1
AVG. MINIMUM 46.3 43.2 3.1 44.3
MEAN 55.0 52.5 2.5 51.7
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 11
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 19.32 1961
MINIMUM 2.07 1956
TOTALS 8.55 9.51 -0.96
DAYS >= .01 30
DAYS >= .10 21
DAYS >= .50 6
DAYS >= 1.00 1
DEGREE DAYS
HEATING TOTAL 999 1243 -244
SINCE 7/1 999 1254 -255
COOLING TOTAL 113 103 10
SINCE 1/1 1295 843 452
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 10.1
HIGHEST WIND SPEED/DIRECTION 39/240 DATE 11/10
HIGHEST GUST SPEED/DIRECTION 64/250 DATE 11/10
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 12 MIXED PRECIP 0
HEAVY RAIN 11 RAIN 16
LIGHT RAIN 36 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 4 SLEET 0
FOG 29 FOG W/VIS <= 1/4 MILE 0
HAZE 18
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$