Climatological Report (Monthly) Issued by NWS Chicago, IL
000
CXUS53 KLOT 011718
CLMRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1118 AM CST WED FEB 01 2023
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...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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
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TEMPERATURE (F)
RECORD
HIGH 63 01/07/2008
01/31/1989
LOW -31 01/31/2019
HIGHEST 50 01/11 42 01/12
LOWEST -11 01/31 -18 01/26
AVG. MAXIMUM 34.2 29.1 5.1 26.8
AVG. MINIMUM 23.6 14.5 9.1 6.9
MEAN 28.9 21.8 7.1 16.8
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 12 18.5 -6.5 24
DAYS MIN <= 32 24 29.2 -5.2 31
DAYS MIN <= 0 2 5.6 -3.6 6
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.80 1946
MINIMUM 0.12 1921
TOTALS 2.07 1.60 0.47 0.56
DAILY AVG. 0.07 0.05 0.02 0.02
DAYS >= .01 13 10.1 2.9 10
DAYS >= .10 8 4.4 3.6 2
DAYS >= .50 0 0.7 -0.7 0
DAYS >= 1.00 0 0.1 -0.1 0
GREATEST
24 HR. TOTAL 0.42 01/16 TO 01/16 0.13
01/28 TO 01/29
SNOWFALL (INCHES)
RECORDS
TOTAL 36.1 1918
TOTALS 11.0 10.9 0.1 9.8
SINCE 7/1 16.6 22.8 -6.2 MM
SNOWDEPTH AVG. 1 3
DAYS >= 1.0 3 3.6 -0.6 3
GREATEST
SNOW DEPTH 8 01/29 5 01/02
01/03
01/04
24 HR TOTAL 5.1 01/28 TO 01/29 4.3
DEGREE DAYS
HEATING TOTAL 1109 1339 -230 1486
SINCE 7/1 3581 3828 -247 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 7.7
HIGHEST WIND SPEED/DIRECTION 26/260 DATE 01/27
HIGHEST GUST SPEED/DIRECTION 39/070 DATE 01/18
39/250 01/27
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.88
NUMBER OF DAYS FAIR 1
NUMBER OF DAYS PC 5
NUMBER OF DAYS CLOUDY 25
AVERAGE RH (PERCENT) 81
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 1
HEAVY RAIN 1 RAIN 1
LIGHT RAIN 8 FREEZING RAIN 0
LT FREEZING RAIN 3 HAIL 1
HEAVY SNOW 1 SNOW 2
LIGHT SNOW 16 SLEET 1
FOG 25 FOG W/VIS <= 1/4 MILE 5
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
RECORDS SET IN JANUARY 2023:
- RECORD SNOWFALL OF 4.9 INCHES SET ON 28TH.
- RECORD HIGH MINIMUM TEMPERATURE OF 33 DEGREES TIED ON 19TH.
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