Climatological Report (Daily)
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
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 031154
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT THU SEP 3 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 2 2015...

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)
 YESTERDAY
  MAXIMUM         90    159 PM 101    1953  80     10       82
  MINIMUM         72    613 AM  44    1946  60     12       67
  AVERAGE         81                        70     11       75

PRECIPITATION (IN)
  YESTERDAY        T             1.55 2010   0.12  -0.12     0.01
  MONTH TO DATE    T                         0.24  -0.24     0.37
  SINCE SEP 1      T                         0.24  -0.24     0.37
  SINCE JAN 1     23.62                     25.37  -1.75    32.45

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 SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      T                         0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    0                         2     -2        0
  SINCE SEP 1      0                         2     -2        0
  SINCE JUL 1     18                        15      3        5

 COOLING
  YESTERDAY       16                         6     10       10
  MONTH TO DATE   29                        12     17       22
  SINCE SEP 1     29                        12     17       22
  SINCE JAN 1    670                       752    -82      737
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     7.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           600 AM
 LOWEST     47           300 PM
 AVERAGE    69

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        97      1953
 MINIMUM TEMPERATURE (F)   60        47      1974


SUNRISE AND SUNSET
SEPTEMBER  3 2015.....SUNRISE   619 AM CDT   SUNSET   722 PM CDT
SEPTEMBER  4 2015.....SUNRISE   620 AM CDT   SUNSET   720 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.