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Climatological Report (Annual)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
000
CXUS53 KLOT 011452
CLARFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
739 AM CST TUE JAN 1 2013
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR THE YEAR OF 2012...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1905 TO 2012
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 -27 01/10/1982
HIGHEST 105 07/07 MM MM 100 07/20
07/19
LOWEST 0 01/20 MM MM -20 02/10
01/19
AVG. MAXIMUM 63.8 59.3 4.5 59.4
AVG. MINIMUM 42.3 39.2 3.1 40.9
MEAN 53.1 49.2 3.9 50.2
DAYS MAX >= 90 49 14.9 34.1 27
DAYS MAX <= 32 26 46.1 -20.1 44
DAYS MIN <= 32 121 133.5 -12.5 127
DAYS MIN <= 0 2 11.6 -9.6 7
PRECIPITATION (INCHES)
RECORD
MAXIMUM 56.48 1973
MINIMUM 22.87 1910
TOTALS 23.35 36.24 -12.89 39.04
DAILY AVG. 0.06 0.10 -0.04 0.11
DAYS >= .01 105 119.2 -14.2 128
DAYS >= .10 56 67.3 -11.3 66
DAYS >= .50 13 23.0 -10.0 28
DAYS >= 1.00 2 8.2 -6.2 7
GREATEST
24 HR. TOTAL 2.87 04/14 TO 04/15 3.95
SNOWFALL (INCHES)
RECORDS
TOTAL 84.3 2008
24 HR TOTAL MM
SNOW DEPTH 27 01/16/1979
TOTALS 24.7 36.7 -12.0 33.8
SINCE 7/1 2.1 13.1 -11.0 1.7
DAYS >= TRACE 46 28.7 17.3 63
DAYS >= 1.0 7 11.0 -4.0 8
GREATEST
SNOW DEPTH 7 01/22 19
01/21
24 HR TOTAL 5.1 01/20 TO 01/20 10.9
DEGREE_DAYS
HEATING TOTAL 5464 6569 -1105 6309
COOLING TOTAL 1227 820 407 1019
FREEZE DATES
RECORD
EARLIEST 09/13/1975
LATEST 05/27/1992
EARLIEST 10/07
LATEST 05/01
.................................................................
WIND (MPH)
AVERAGE WIND SPEED 8.5
HIGHEST WIND SPEED/DIRECTION 46/260 DATE 08/04
HIGHEST GUST SPEED/DIRECTION 64/340 DATE 07/24
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.60
NUMBER OF DAYS FAIR 108
NUMBER OF DAYS PC 145
NUMBER OF DAYS CLOUDY 113
AVERAGE RH (PERCENT) 66
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 41 MIXED PRECIP 3
HEAVY RAIN 19 RAIN 35
LIGHT RAIN 120 FREEZING RAIN 0
LT FREEZING RAIN 7 HAIL 0
HEAVY SNOW 2 SNOW 17
LIGHT SNOW 39 SLEET 14
FOG 145 FOG W/VIS <= 1/4 MILE 22
HAZE 63
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
RECORDS ESTABLISHED DURING 2012...
YEARLY --
* WARMEST YEAR ON RECORD WITH AVERAGE TEMPERATURE OF 53.1 DEGREES
JANUARY --
* RECORD HIGH TEMPERATURE OF 57 SET ON THE 11TH
* RECORD SNOWFALL OF 5.1 INCHES SET ON THE 20TH
* TIED RECORD HIGH TEMPERATURE OF 52 ON THE 30TH
FEBRUARY --
* RECORD SNOWFALL OF 4.0 INCHES SET ON THE 24TH
* RECORD PRECIPITATION OF 0.21 INCHES ON THE 29TH
MARCH --
* TIED RECORD WARM LOW TEMPERATURE OF 47 DEGREES ON THE 7TH
* RECORD HIGH TEMPERATURE OF 79 DEGREES ON THE 14TH
* RECORD HIGH TEMPERATURE OF 82 DEGREES ON THE 15TH
* RECORD WARM LOW TEMPERATURE OF 54 DEGREES ON THE 15TH
* RECORD HIGH TEMPERATURE OF 80 DEGREES ON THE 16TH
* RECORD WARM LOW TEMPERATURE OF 48 DEGREES ON THE 16TH
* RECORD HIGH TEMPERATURE OF 82 DEGREES ON THE 17TH
* RECORD WARM LOW TEMPERATURE OF 57 DEGREES ON THE 17TH
* RECORD HIGH TEMPERATURE OF 81 DEGREES SET ON THE 18TH
* RECORD WARM LOW TEMPERATURE OF 54 DEGREES SET ON THE 18TH
* RECORD HIGH TEMPERATURE OF 78 DEGREES SET ON THE 19TH
* RECORD WARM LOW TEMPERATURE OF 62 DEGREES SET ON THE 19TH
* RECORD HIGH TEMPERATURE OF 83 DEGREES SET ON THE 20TH
* RECORD WARM LOW TEMPERATURE OF 61 DEGREES SET ON THE 20TH
* RECORD HIGH TEMPERATURE OF 84 DEGREES SET ON THE 21ST
* RECORD WARM LOW TEMPERATURE OF 62 DEGREES SET ON THE 21ST
* RECORD HIGH TEMPERATURE OF 79 DEGREES SET ON THE 22ND
* RECORD WARM LOW TEMPERATURE OF 61 DEGREES SET ON THE 22ND
* RECORD WARM LOW TEMPERATURE OF 53 DEGREES SET ON THE 23RD
* WARMEST MARCH ON RECORD WITH AVERAGE TEMPERATURE OF 52.4 DEGREES
APRIL --
* RECORD DAILY PRECIPITATION OF 2.26 INCHES SET ON THE 15TH
MAY --
* TIED RECORD HIGH TEMPERATURE OF 93 DEGREES SET ONT HE 24TH
* RECORD HIGH TEMPERATURE OF 99 DEGREES SET ON THE 27TH
* TIED RECORD WARM LOW TEMPERATURE OF 69 ON THE 28TH
* RECORD LOW HIGH TEMPERATURE OF 52 DEGREES SET ON THE 31ST
JUNE --
* RECORD WARM LOW TEMPERATURE OF 76 SET ON THE 19TH
* TIED RECORD WARM LOW TEMPERATURE OF 73 SET ON THE 20TH
JULY --
* WARMEST JULY ON RECORD WITH 80.8 DEGREE AVERAGE TEMPERATURE
* RECORD WARM LOW TEMPERATURE OF 75 DEGREES SET ON THE 3RD
* RECORD HIGH TEMPERATURE OF 102 DEGREES SET ON THE 4TH
* RECORD HIGH TEMPERATURE OF 102 SET ON THE 5TH
* RECORD HIGH TEMPERATURE OF 104 SET ON THE 6TH
* RECORD WARM LOW TEMPERATURE OF 77 DEGREES SET ON THE 6TH
* TIED RECORD HIGH TEMPERATURE OF 105 DEGREES SET ON THE 7TH
* RECORD HIGH TEMPERATURE OF 99 DEGREES SET ON THE 18TH
* TIED RECORD WARM LOW TEMPERATURE OF 76 DEGREES ON THE 23RD
AUGUST --
NO RECORDS SET
SEPTEMBER --
NO RECORDS SET
OCTOBER --
NO RECORDS SET
NOVEMBER --
NO RECORDS SET
DECEMBER --
* 69 DEGREES SET ON THE 3RD IS THE WARMEST DECEMBER TEMPERATURE ON RECORD
* RECORD HIGH TEMPERATURE OF 69 SET ON THE 3RD
* RECORD DAILY PRECIPITATION OF 1.27 INCHES SET ON THE 20TH
$$
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