Climatological Report (Monthly) Issued by NWS Chicago, IL
000
CXUS53 KLOT 011640
CLMRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1040 AM CST THU FEB 01 2024
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...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2024
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 40 01/30 50 01/11
01/31
LOWEST -16 01/15 -11 01/31
AVG. MAXIMUM 28.4 29.1 -0.7 34.2
AVG. MINIMUM 18.3 14.5 3.8 23.6
MEAN 23.4 21.8 1.6 28.9
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 14 19.0 -5.0 12
DAYS MIN <= 32 25 29.2 -4.2 24
DAYS MIN <= 0 8 5.6 2.4 2
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.80 1946
MINIMUM 0.12 1921
TOTALS 2.28 1.60 0.68 2.07
DAILY AVG. 0.07 0.05 0.02 0.07
DAYS >= .01 15 10.1 4.9 13
DAYS >= .10 5 4.4 0.6 8
DAYS >= .50 2 0.7 1.3 0
DAYS >= 1.00 0 0.1 -0.1 0
GREATEST
24 HR. TOTAL 0.82 01/12 TO 01/12 0.42
SNOWFALL (INCHES)
RECORDS
TOTAL 36.1 1918
TOTALS 15.9 10.9 5.0 11.0
SINCE 7/1 20.2 22.8 -2.6 MM
SNOWDEPTH AVG. 4 1
DAYS >= 1.0 4 4.0 0.0 3
GREATEST
SNOW DEPTH 10 01/13 8 01/29
01/14
24 HR TOTAL 7.0 01/12 TO 01/12 5.1
DEGREE DAYS
HEATING TOTAL 1285 1339 -54 1109
SINCE 7/1 3385 3828 -443 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.3
HIGHEST WIND SPEED/DIRECTION 29/270 DATE 01/13
HIGHEST GUST SPEED/DIRECTION 39/250 DATE 01/13
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.82
NUMBER OF DAYS FAIR 3
NUMBER OF DAYS PC 5
NUMBER OF DAYS CLOUDY 23
AVERAGE RH (PERCENT) 82
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 8 FREEZING RAIN 0
LT FREEZING RAIN 3 HAIL 0
HEAVY SNOW 1 SNOW 2
LIGHT SNOW 17 SLEET 0
FOG 19 FOG W/VIS <= 1/4 MILE 4
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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