Climatological Report (Seasonal) Issued by NWS Chicago, IL
000
CXUS53 KLOT 021116 CCA
CLSRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1056 AM CDT THU JUN 01 2023
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2023 TO 5/31/2023...
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 106 05/31/1934
LOW -11 03/03/2014
03/04/2002
03/01/1962
HIGHEST 89 05/31 94 05/11
LOWEST 11 03/18 8 03/12
AVG. MAXIMUM 60.9 59.1 1.8 59.6
AVG. MINIMUM 37.3 38.7 -1.4 39.7
MEAN 49.1 48.9 0.2 49.6
DAYS MAX >= 90 0 0.8 -0.8 5
DAYS MAX <= 32 2 3.8 -1.8 3
DAYS MIN <= 32 35 29.9 5.1 29
DAYS MIN <= 0 0 0.4 -0.4 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 21.43 1973
MINIMUM 3.13 1934
TOTALS 7.98 10.33 -2.35 9.94
DAILY AVG. 0.09 0.11 -0.02 0.11
DAYS >= .01 32 35.5 -3.5 41
DAYS >= .10 19 20.1 -1.1 22
DAYS >= .50 7 6.6 0.4 5
DAYS >= 1.00 0 2.6 -2.6 1
GREATEST
24 HR. TOTAL 1.06 04/04 TO 04/05 1.16
SNOWFALL (INCHES)
RECORDS
TOTAL 24.5 1923
TOTALS 15.0 5.8 9.2 6.0
SINCE 7/1 35.5 37.1 -1.6 21.9
DAYS >= 1.0 3 1.6 1.4 3
GREATEST
SNOW DEPTH 7 03/10 1 03/07
03/31
04/18
24 HR TOTAL 7.4 1.7
DEGREE DAYS
HEATING TOTAL 1486 1541 -55 1525
SINCE 7/1 6043 6468 -425 6114
COOLING TOTAL 48 61 -13 136
SINCE 1/1 48 61 -13 136
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WIND (MPH)
AVERAGE WIND SPEED 8.1
HIGHEST WIND SPEED/DIRECTION 36/250 DATE 03/31
HIGHEST GUST SPEED/DIRECTION 58/240 DATE 03/31
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.62
NUMBER OF DAYS FAIR 19
NUMBER OF DAYS PC 39
NUMBER OF DAYS CLOUDY 34
AVERAGE RH (PERCENT) 63
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 12 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 12
LIGHT RAIN 36 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 5
HEAVY SNOW 1 SNOW 2
LIGHT SNOW 15 SLEET 2
FOG 34 FOG W/VIS <= 1/4 MILE 3
HAZE 5
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$