Climatological Report (Daily)
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CDUS43 KLOT 210638
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT SAT MAY 21 2016


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 20 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         68   1153 AM  95    1977  71     -3       48
  MINIMUM         44    201 AM  33    2002  49     -5       39
  AVERAGE         56                        60     -4       44

PRECIPITATION (IN)
  YESTERDAY        0.00          2.54 1975   0.12  -0.12     0.04
  MONTH TO DATE    3.66                      2.36   1.30     3.12
  SINCE MAR 1      9.80                      8.24   1.56     7.09
  SINCE JAN 1     11.87                     11.76   0.11     9.95

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      3.7                       6.8   -3.1      7.1
  SINCE JUL 1     31.2                      36.6   -5.4     50.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        9                         6      3       21
  MONTH TO DATE  224                       170     54      146
  SINCE MAR 1   1406                      1503    -97     1516
  SINCE JUL 1   5414                      6237   -823     6696

 COOLING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE    0                        20    -20       29
  SINCE MAR 1      7                        30    -23       29
  SINCE JAN 1      7                        30    -23       29
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     7.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           200 AM
 LOWEST     35          1200 PM
 AVERAGE    59

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        92      1977
                                             1934
 MINIMUM TEMPERATURE (F)   50        31      2002


SUNRISE AND SUNSET
MAY 21 2016...........SUNRISE   525 AM CDT   SUNSET   812 PM CDT
MAY 22 2016...........SUNRISE   525 AM CDT   SUNSET   813 PM CDT


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




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