Climatological Report (Monthly) Issued by NWS Chicago, IL
000
CXUS53 KLOT 011832
CLMRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 PM CST MON MAR 01 2021
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...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2021...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1905 TO 2021
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 70 02/22/2017
02/25/2000
LOW -25 02/09/1933
HIGHEST 45 02/23 MM MM 53 02/23
LOWEST -12 02/17 MM MM -10 02/14
AVG. MAXIMUM 23.8 34.2 -10.4 34.9
AVG. MINIMUM 7.4 17.7 -10.3 18.2
MEAN 15.6 25.9 -10.3 26.5
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 18 10.7 7.3 9
DAYS MIN <= 32 27 25.0 2.0 28
DAYS MIN <= 0 12 2.9 9.1 2
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.03 2019
MINIMUM 0.04 1969
TOTALS 0.81 1.41 -0.60 0.54
DAILY AVG. 0.03 0.05 -0.02 0.02
DAYS >= .01 10 8.2 1.8 4
DAYS >= .10 2 3.6 -1.6 2
DAYS >= .50 0 0.7 -0.7 0
DAYS >= 1.00 0 0.2 -0.2 0
GREATEST
24 HR. TOTAL 0.26 02/04 TO 02/04 0.29 02/09 TO 02/09
SNOWFALL (INCHES)
RECORDS
TOTAL 30.2 1994
TOTALS 9.2 7.7 1.5 5.3
SINCE 7/1 34.5 31.0 3.5 MM
SNOWDEPTH AVG. 12 1
DAYS >= 1.0 4 2.3 1.7 2
GREATEST
SNOW DEPTH 17 02/16 5 02/01
24 HR TOTAL 1.8 02/15 TO 02/15
DEGREE DAYS
HEATING TOTAL 1374 1093 281 1111
SINCE 7/1 4745 5002 -257 4671
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 0
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WIND (MPH)
AVERAGE WIND SPEED 8.9
HIGHEST WIND SPEED/DIRECTION 33/290 DATE 02/04
HIGHEST GUST SPEED/DIRECTION 46/290 DATE 02/04
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.59
NUMBER OF DAYS FAIR 6
NUMBER OF DAYS PC 12
NUMBER OF DAYS CLOUDY 10
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 4 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 15 SLEET 1
FOG 8 FOG W/VIS <= 1/4 MILE 1
HAZE 13
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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