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799
CXUS53 KLOT 011418
CLSORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
910 AM CDT MON JUN 1 2015
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2015 TO 5/31/2015...
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 98 05/31/1934
LOW -12 03/04/1873
HIGHEST 83 05/07 MM MM 89
LOWEST 0 03/06 MM MM -2
AVG. MAXIMUM 58.1 58.5 -0.4 57.0
AVG. MINIMUM 38.6 38.8 -0.2 36.7
MEAN 48.4 48.6 -0.2 46.9
DAYS MAX >= 90 0
DAYS MAX <= 32 6
DAYS MIN <= 32 26
DAYS MIN <= 0 1
PRECIPITATION (INCHES)
RECORD
MAXIMUM 17.51 1983
MINIMUM 2.73 1887
TOTALS 8.63 9.56 -0.93
DAYS >= .01 31
DAYS >= .10 20
DAYS >= .50 5
DAYS >= 1.00 1
SNOWFALL (INCHES)
TOTALS 7.1 6.8 0.3 13.7
DEGREE_DAYS
HEATING TOTAL 1557 1558 -1
SINCE 7/1 6737 6292 445
COOLING TOTAL 53 53 0
SINCE 1/1 53 54 -1
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 10.2
HIGHEST WIND SPEED/DIRECTION 38/270 DATE 04/21
HIGHEST GUST SPEED/DIRECTION 52/280 DATE 04/21
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 6 RAIN 13
LIGHT RAIN 37 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 0
HEAVY SNOW 1 SNOW 3
LIGHT SNOW 6 SLEET 1
FOG 43 FOG W/VIS <= 1/4 MILE 8
HAZE 23
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$