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641
CXUS53 KLOT 011728
CLSORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1103 AM CST SUN MAR 1 2015
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2014 TO 2/28/2015...
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
NORMAL
.............................................................
TEMPERATURE (F)
RECORD
HIGH 75 02/27/1976
LOW -27 01/20/1985
HIGHEST 50 12/26 MM MM 56
12/14
LOWEST -10 02/28 MM MM -16
AVG. MAXIMUM 29.8 33.6 -3.8 27.1
AVG. MINIMUM 16.1 19.1 -3.0 10.4
MEAN 22.9 26.4 -3.5 18.8
DAYS MAX >= 90 0
DAYS MAX <= 32 48
DAYS MIN <= 32 83
DAYS MIN <= 0 15
PRECIPITATION (INCHES)
RECORD
MAXIMUM 13.79 1950
MINIMUM 1.60 1931
TOTALS 3.65 5.77 -2.12
DAYS >= .01 28
DAYS >= .10 11
DAYS >= .50 2
DAYS >= 1.00 0
SNOWFALL (INCHES)
TOTALS 40.7 28.1 12.6 67.4
DEGREE_DAYS
HEATING TOTAL 3737 3478 259
SINCE 7/1 5180 4734 446
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 10.3
HIGHEST WIND SPEED/DIRECTION 38/330 DATE 02/14
HIGHEST GUST SPEED/DIRECTION 48/340 DATE 02/14
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 1
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 15 FREEZING RAIN 0
LT FREEZING RAIN 7 HAIL 0
HEAVY SNOW 3 SNOW 9
LIGHT SNOW 43 SLEET 4
FOG 41 FOG W/VIS <= 1/4 MILE 3
HAZE 24
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$