Climatological Report (Seasonal)
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CXUS53 KLOT 011819
CLSORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1254 PM CDT MON JUN 1 2020

...................................

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2020 TO 5/31/2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2020

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            90   05/24        MM      MM       82
LOWEST             25   03/07        MM      MM       -3
AVG. MAXIMUM     59.3              58.5     0.8     56.4
AVG. MINIMUM     41.4              38.8     2.6     38.2
MEAN             50.3              48.6     1.7     47.3
DAYS MAX >= 90      1
DAYS MAX <= 32      0
DAYS MIN <= 32     15
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        17.51   1983
 MINIMUM         2.73   1887
TOTALS          16.80              9.56    7.24
DAYS >= .01        40
DAYS >= .10        25
DAYS >= .50         8
DAYS >= 1.00        4

SNOWFALL (INCHES)
TOTALS            7.9               6.8     1.1      8.2

DEGREE_DAYS
HEATING TOTAL    1393              1558    -165
 SINCE 7/1         MM              6292      MM
COOLING TOTAL      74                53      21
 SINCE 1/1         74                54      20
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.0
HIGHEST WIND SPEED/DIRECTION    35/250    DATE  03/29
HIGHEST GUST SPEED/DIRECTION    55/270    DATE  03/29


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             11     MIXED PRECIP               0
HEAVY RAIN               11     RAIN                      17
LIGHT RAIN               50     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       2
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW               10     SLEET                      0
FOG                      41     FOG W/VIS <= 1/4 MILE      3
HAZE                     18

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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