Climatological Report (Daily)
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541
CDUS43 KLOT 160400
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1058 PM CDT SUN APR 15 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 15 2018...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         37    214 PM  88    2002  59    -22       82
  MINIMUM         34   1052 AM  25    1943  39     -5       61
  AVERAGE         36                        49    -13       72

PRECIPITATION (IN)
  TODAY            0.68          1.74 1884   0.12   0.56     0.09
  MONTH TO DATE    2.21                      1.64   0.57     2.20
  SINCE MAR 1      3.95                      4.14  -0.19     6.21
  SINCE JAN 1     10.13                      7.66   2.47    10.60

SNOWFALL (IN)
  TODAY            T             1.5  1980   0.1   -0.1      0.0
  MONTH TO DATE    2.2                       1.0    1.2      0.0
  SINCE MAR 1      4.8                       6.6   -1.8      7.8
  SINCE JUL 1     35.1                      36.1   -1.0     26.1

DEGREE DAYS
 HEATING
  TODAY           29                        17     12        0
  MONTH TO DATE  419                       286    133      192
  SINCE MAR 1   1286                      1127    159      977
  SINCE JUL 1   5744                      5861   -117     4902

 COOLING
  TODAY            0                         0      0        7
  MONTH TO DATE    0                         0      0        9
  SINCE MAR 1      0                         1     -1        9
  SINCE JAN 1      0                         1     -1        9
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED    16.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  RAIN
  LIGHT RAIN
  SNOW
  LIGHT SNOW
  SLEET
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          1100 AM
 LOWEST     89           200 AM
 AVERAGE    93

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   59        87      2002
 MINIMUM TEMPERATURE (F)   39        18      1875


SUNRISE AND SUNSET
APRIL 15 2018.........SUNRISE   611 AM CDT   SUNSET   733 PM CDT
APRIL 16 2018.........SUNRISE   610 AM CDT   SUNSET   734 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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