Climatological Report (Annual) Issued by NWS Chicago, IL
000
CXUS53 KLOT 040100 CCA
CLARFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
410 PM CST MON JAN 01 2024
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR THE YEAR OF 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 112 07/14/1936
LOW -31 01/31/2019
HIGHEST 97 08/23 100 06/21
08/24
LOWEST -11 01/31 -18 01/26
AVG. MAXIMUM 61.4 58.8 2.6 59.5
AVG. MINIMUM 41.2 40.0 1.2 38.9
MEAN 51.3 49.4 1.9 49.2
DAYS MAX >= 90 13 14.8 -1.8 20
DAYS MAX <= 32 24 50.0 -26.0 55
DAYS MIN <= 32 125 135.8 -10.8 140
DAYS MIN <= 0 4 11.5 -7.5 11
PRECIPITATION (INCHES)
RECORD
MAXIMUM 56.48 1973
MINIMUM 22.87 1910
TOTALS 32.46 37.24 -4.78 39.47
DAILY AVG. 0.09 0.10 -0.01 0.11
DAYS >= .01 109 120.7 -11.7 116
DAYS >= .10 67 69.0 -2.0 59
DAYS >= .50 20 23.6 -3.6 22
DAYS >= 1.00 5 8.8 -3.8 8
GREATEST
24 HR. TOTAL 2.90 10/13 TO 10/14 4.46
SNOWFALL (INCHES)
RECORDS
TOTAL 84.3 2008
TOTALS 34.2 37.1 -2.9 24.7
SINCE 7/1 4.3 11.9 -7.6 5.6
DAYS >= 1.0 9 11.1 -2.1 10
GREATEST
SNOW DEPTH 8 01/29 5 01/02
01/03
01/04
24 HR TOTAL 7.4 03/09 TO 03/10 4.3
DEGREE DAYS
HEATING TOTAL 5691 6497 -806 6613
SINCE 7/1 2100 2486 -386 2472
COOLING TOTAL 805 838 -33 978
SINCE 1/1 805 839 -34 978
................................................................
WIND (MPH)
AVERAGE WIND SPEED 7.3
HIGHEST WIND SPEED/DIRECTION 49/310 DATE 06/24
HIGHEST GUST SPEED/DIRECTION 64/160 DATE 06/24
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.60
NUMBER OF DAYS FAIR 83
NUMBER OF DAYS PC 148
NUMBER OF DAYS CLOUDY 134
AVERAGE RH (PERCENT) 70
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 36 MIXED PRECIP 1
HEAVY RAIN 20 RAIN 37
LIGHT RAIN 131 FREEZING RAIN 0
LT FREEZING RAIN 7 HAIL 6
HEAVY SNOW 3 SNOW 5
LIGHT SNOW 56 SLEET 4
FOG 166 FOG W/VIS <= 1/4 MILE 16
HAZE 35
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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