Climatological Report (Annual) Issued by NWS Chicago, IL
000
CXUS53 KLOT 011730
CLARFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
936 AM CST WED JAN 1 2020
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR THE YEAR OF 2019...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2019
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 07/20 MM MM 97 05/27
LOWEST -31R 01/31 MM MM -16 01/06
AVG. MAXIMUM 57.8 59.3 -1.5 58.1
AVG. MINIMUM 39.5 39.2 0.3 39.2
MEAN 48.7 49.2 -0.5 48.6
DAYS MAX >= 90 17 14.9 2.1 15
DAYS MAX <= 32 60 46.1 13.9 43
DAYS MIN <= 32 145 133.5 11.5 161
DAYS MIN <= 0 13 11.6 1.4 14
PRECIPITATION (INCHES)
RECORD
MAXIMUM 56.48 1973
MINIMUM 22.87 1910
TOTALS 49.42 36.24 13.18 49.61
DAILY AVG. 0.14 0.10 0.04 0.14
DAYS >= .01 149 119.2 29.8 132
DAYS >= .10 97 67.3 29.7 82
DAYS >= .50 37 23.0 14.0 30
DAYS >= 1.00 13 8.2 4.8 16
GREATEST
24 HR. TOTAL 2.92 MM 2.59
SNOWFALL (INCHES)
RECORDS
TOTAL 84.3 2008
24 HR TOTAL MM
SNOW DEPTH 27 01/16/1979
TOTALS 52.4 36.7 15.7 46.5
SINCE 7/1 11.2 13.1 -1.9 16.6
SNOWDEPTH AVG. 1 MM MM 1
DAYS >= TRACE 67 28.7 38.3 64
DAYS >= 1.0 18 11.0 7.0 16
GREATEST
SNOW DEPTH 17 02/01 14
01/30
01/28
24 HR TOTAL 6.3 MM 11.7
DEGREE_DAYS
HEATING TOTAL 6752 6569 183 6776
SINCE 7/1 MM 2561 MM MM
COOLING TOTAL 927 820 107 967
SINCE 1/1 927 820 107 967
FREEZE DATES
RECORD
EARLIEST 09/13/1975
LATEST 05/27/1992
EARLIEST 10/07
LATEST 05/01
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WIND (MPH)
AVERAGE WIND SPEED 8.7
HIGHEST WIND SPEED/DIRECTION 45/010 DATE 06/30
HIGHEST GUST SPEED/DIRECTION 63/020 DATE 06/30
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.70
NUMBER OF DAYS FAIR 54
NUMBER OF DAYS PC 141
NUMBER OF DAYS CLOUDY 170
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 65 MIXED PRECIP 0
HEAVY RAIN 30 RAIN 45
LIGHT RAIN 154 FREEZING RAIN 4
LT FREEZING RAIN 14 HAIL 1
HEAVY SNOW 3 SNOW 24
LIGHT SNOW 63 SLEET 9
FOG 201 FOG W/VIS <= 1/4 MILE 15
HAZE 56
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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