Climatological Report (Seasonal) Issued by NWS Chicago, IL
590
CXUS53 KLOT 021728
CLSRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1128 AM CST WED DEC 02 2020
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2020 TO 11/30/2020...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1905 TO 2020
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 103 09/07/1939
LOW -10 11/26/1977
HIGHEST 88 09/02 MM MM 87
LOWEST 21 11/02 MM MM 3
AVG. MAXIMUM 63.4 61.9 1.5 59.0
AVG. MINIMUM 42.1 41.1 1.0 42.1
MEAN 52.8 51.5 1.3 50.6
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 16
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 21.56 1961
MINIMUM 3.05 1956
TOTALS 10.51 8.60 1.91 14.60
DAYS >= .01 26
DAYS >= .10 17
DAYS >= .50 7
DAYS >= 1.00 2
DEGREE DAYS
HEATING TOTAL 1154 1320 -166
SINCE 7/1 1154 1336 -182
COOLING TOTAL 65 93 -28
SINCE 1/1 1042 820 222
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 8.9
HIGHEST WIND SPEED/DIRECTION 38/220 DATE 11/10
HIGHEST GUST SPEED/DIRECTION 73/240 DATE 11/10
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 9 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 13
LIGHT RAIN 32 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 1
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 5 SLEET 0
FOG 31 FOG W/VIS <= 1/4 MILE 0
HAZE 12
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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