Climatological Report (Monthly)
Issued by NWS

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CXUS53 KLOT 011350
CLMORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
836 AM CDT WED MAY 1 2019

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF APRIL 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              91   04/22/1980
                        04/30/1942
 LOW                7   04/07/1982
HIGHEST            80   04/22        59      21       80  04/30
LOWEST             26   04/01        39     -13       20  04/07
AVG. MAXIMUM     59.1              59.0     0.1     50.0
AVG. MINIMUM     40.3              38.8     1.5     32.4
MEAN             49.7              48.9     0.8     41.2
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      5               6.3    -1.3       16
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.68   2013
 MINIMUM         0.14   1899
TOTALS           6.02              3.38    2.64     2.72
DAILY AVG.       0.20              0.11    0.09     0.09
DAYS >= .01        13              12.0     1.0       14
DAYS >= .10        10               6.4     3.6        5
DAYS >= .50         4               2.4     1.6        2
DAYS >= 1.00        2               0.8     1.2        0
GREATEST
 24 HR. TOTAL    1.58   04/29 TO 04/29           04/14 TO 04/14
                                                          04/09 TO 04/09EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          04/09 TO 04/09EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

SNOWFALL (INCHES)
RECORDS
 TOTAL           13.6   1938
TOTALS            7.9               1.2     6.7      3.2
SINCE 7/1        49.5              36.3    13.2     36.1
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         2               0.3     1.7
GREATEST
 SNOW DEPTH         3R  04/15
 24 HR TOTAL      5.4   04/14 TO 04/14

DEGREE_DAYS
HEATING TOTAL     454               493     -39      705
 SINCE 7/1       6189              6067     122     6030
COOLING TOTAL       4                 9      -5        0
 SINCE 1/1          4                10      -6        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.6
RESULTANT WIND SPEED/DIRECTION   1/010
HIGHEST WIND SPEED/DIRECTION    37/020    DATE  04/19
HIGHEST GUST SPEED/DIRECTION    49/360    DATE  04/19


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       9
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW                2     SLEET                      1
FOG                      16     FOG W/VIS <= 1/4 MILE      1
HAZE                      5

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

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