Climatological Report (Daily)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

000
CDUS43 KLOT 152137
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT WED APR 15 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 15 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         64   1210 PM  88    2002  59      5       38
  MINIMUM         43    527 AM  25    1943  39      4       26
  AVERAGE         54                        49      5       32

PRECIPITATION (IN)
  TODAY            0.00          1.74 1884   0.12  -0.12      T
  MONTH TO DATE    2.08                      1.64   0.44     1.28
  SINCE MAR 1      3.18                      4.14  -0.96     2.99
  SINCE JAN 1      6.04                      7.66  -1.62     8.29

SNOWFALL (IN)
  TODAY            0.0           1.5  1980   0.1   -0.1       T
  MONTH TO DATE    0.0                       1.0   -1.0      1.4
  SINCE MAR 1      7.1                       6.6    0.5     13.7
  SINCE JUL 1     50.7                      36.4   14.3     82.0

DEGREE DAYS
 HEATING
  TODAY           11                        17     -6       33
  MONTH TO DATE  216                       286    -70      277
  SINCE MAR 1   1126                      1127     -1     1302
  SINCE JUL 1   6306                      5861    445     6717

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


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     9.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    53           500 AM
 LOWEST     26           800 AM
 AVERAGE    40

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


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 2015.........SUNRISE   612 AM CDT   SUNSET   732 PM CDT
APRIL 16 2015.........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.




$$




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.