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765
CXUS53 KLOT 011548
CLMORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
828 AM CST SUN MAR 1 2015
...................................
...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2015...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 75 02/27/1976
LOW -21 02/09/1899
HIGHEST 41 02/07 35 6 49 02/20
LOWEST -10 02/28 19 -29 -8 02/11
AVG. MAXIMUM 23.4 35.3 -11.9 25.7
AVG. MINIMUM 5.7 20.1 -14.4 8.9
MEAN 14.6R 27.7 -13.1 17.3
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 24 10.3 13.7 23
DAYS MIN <= 32 28 24.0 4.0 27
DAYS MIN <= 0 9 1.7 7.3 7
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.98 1881
MINIMUM 0.06 1877
TOTALS 1.45 1.79 -0.34 2.48
DAILY AVG. 0.05 0.06 -0.01 0.09
DAYS >= .01 11 8.8 2.2 7
DAYS >= .10 3 4.4 -1.4 4
DAYS >= .50 1 0.9 0.1 1
DAYS >= 1.00 0 0.3 -0.3 1
GREATEST
24 HR. TOTAL 0.87 02/01 TO 02/01
SNOWFALL (INCHES)
RECORDS
TOTAL 29.0 2011
TOTALS 26.8 9.1 17.7 19.5
SINCE 7/1 43.6 29.8 13.8 68.3
SNOWDEPTH AVG. 8 3 5 8
DAYS >= 1.0 5 2.7 2.3 5
GREATEST
SNOW DEPTH 18 02/02 14 02/18
24 HR TOTAL 16.2 02/01 TO 02/01
DEGREE_DAYS
HEATING TOTAL 1405 1044 361 1328
SINCE 7/1 5180 4734 446 5415
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 0
.................................................................
WIND (MPH)
AVERAGE WIND SPEED 10.8
HIGHEST WIND SPEED/DIRECTION 38/330 DATE 02/14
HIGHEST GUST SPEED/DIRECTION 48/340 DATE 02/14
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.70
NUMBER OF DAYS FAIR 4
NUMBER OF DAYS PC 13
NUMBER OF DAYS CLOUDY 11
AVERAGE RH (PERCENT) 68
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 2 FREEZING RAIN 0
LT FREEZING RAIN 2 HAIL 0
HEAVY SNOW 2 SNOW 3
LIGHT SNOW 19 SLEET 0
FOG 11 FOG W/VIS <= 1/4 MILE 2
HAZE 7
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
RECORDS...
MONTHLY...
TIED FEBRUARY 1875 FOR COLDEST FEBRUARY MONTHLY AVERAGE.
THIRD SNOWIEST FEBRUARY...26.8.....FEB 2011 HAD 29.0...
FEB 1896 HAD 27.8.
DAILY RECORDS...
FEB 1...SET RECORD FOR GREATEST PRECIP FOR THE DAY...0.87...
OLD RECORD 0.74 IN 2011.
FEB 1...SET RECORD FOR GREATEST SNOWFALL FOR THE DAY...16.2...
...OLD RECORD 13.6 IN 2011.
FEB 19...SET RECORD FOR LOW MINIMUM WITH -8....
...OLD RECORD -7 IN 1936.
FEB 19...SET RECORD FOR COLDEST HIGH WITH 4 ABOVE...
...OLD RECORD 9 ABOVE IN 1936.
FEB 28...SET RECORD LOW MINIMUM.WITH -10...
...OLD RECORD 0 IN 1884
$$