Climatological Report (Seasonal) Issued by NWS Chicago, IL
000
CXUS53 KLOT 012048
CLSRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
248 PM CST WED MAR 01 2023
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2022 TO 2/28/2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 70 02/22/2017
02/25/2000
LOW -31 01/31/2019
HIGHEST 61 12/29 69 12/15
LOWEST -11 01/31 -18 01/26
AVG. MAXIMUM 36.1 32.3 3.8 34.9
AVG. MINIMUM 20.7 17.5 3.2 16.3
MEAN 28.4 24.9 3.5 25.6
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 30 43.3 -13.3 39
DAYS MIN <= 32 72 82.3 -10.3 85
DAYS MIN <= 0 9 11.2 -2.2 6
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.38 1946
MINIMUM 1.28 2003
TOTALS 8.42 5.16 3.26 4.05
DAILY AVG. 0.10 0.06 0.04 0.05
DAYS >= .01 29 28.6 0.4 28
DAYS >= .10 15 13.2 1.8 9
DAYS >= .50 5 2.8 2.2 2
DAYS >= 1.00 2 0.6 1.4 1
GREATEST
24 HR. TOTAL 1.73 12/14 TO 12/15 1.23
SNOWFALL (INCHES)
RECORDS
TOTAL 65.1 2008
TOTALS 18.2 28.8 -10.6 15.7
SINCE 7/1 20.5 31.3 -10.8 15.9
DAYS >= 1.0 5 9.0 -4.0 6
GREATEST
SNOW DEPTH 8 01/29 5 01/02
01/03
01/04
24 HR TOTAL 5.1 01/28 TO 01/29 4.8
DEGREE DAYS
HEATING TOTAL 3281 3612 -331 3525
SINCE 7/1 4557 4928 -371 4589
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 0
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WIND (MPH)
AVERAGE WIND SPEED 8.8
HIGHEST WIND SPEED/DIRECTION 36/240 DATE 02/15
HIGHEST GUST SPEED/DIRECTION 58/250 DATE 02/15
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.72
NUMBER OF DAYS FAIR 12
NUMBER OF DAYS PC 28
NUMBER OF DAYS CLOUDY 50
AVERAGE RH (PERCENT) 75
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 1
HEAVY RAIN 5 RAIN 7
LIGHT RAIN 24 FREEZING RAIN 0
LT FREEZING RAIN 5 HAIL 1
HEAVY SNOW 2 SNOW 4
LIGHT SNOW 36 SLEET 2
FOG 51 FOG W/VIS <= 1/4 MILE 5
HAZE 11
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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