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000
CXUS53 KLOT 011155
CLMORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
639 AM CDT SAT JUN 1 2019

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF MAY 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              98   05/31/1934
 LOW               27   05/02/1875
HIGHEST            82   05/22                         97  05/27
LOWEST             38   05/04                         44  05/20
                                                          05/12
AVG. MAXIMUM     67.5              70.0    -2.5     76.4
AVG. MINIMUM     48.5              48.3     0.2     55.9
MEAN             58.0              59.1    -1.1     66.1
DAYS MAX >= 90      0               0.5    -0.5        3
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.3    -0.3        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.21   2018
 MINIMUM         0.30   1992
TOTALS           8.25R             3.68    4.57     8.21
DAILY AVG.       0.27              0.12    0.15     0.26
DAYS >= .01        21              11.6     9.4       12
DAYS >= .10        14               7.2     6.8       10
DAYS >= .50         6               2.2     3.8        6
DAYS >= 1.00        1               0.8     0.2        3
GREATEST
 24 HR. TOTAL    1.92   05/27 TO 05/27

DEGREE_DAYS
HEATING TOTAL     236               225      11      105
 SINCE 7/1       6425              6292     133     6135
COOLING TOTAL      29                44     -15      149
 SINCE 1/1         33                54     -21      149
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.5
RESULTANT WIND SPEED/DIRECTION   1/040
HIGHEST WIND SPEED/DIRECTION    38/010    DATE  05/28
HIGHEST GUST SPEED/DIRECTION    45/010    DATE  05/28


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             11     MIXED PRECIP               0
HEAVY RAIN               10     RAIN                      15
LIGHT RAIN               23     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

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

&&

DAILY RECORDS SET FOR MONTH OF MAY:
* RECORD DAILY RAINFALL OF 1.92" ON THE 27TH

MONTHLY RECORDS SET FOR MONTH OF MAY:
* WETTEST MAY ON RECORD SINCE 1871 WITH 8.25 INCHES.


$$