Climatological Report (Daily)
Issued by NWS Detroit/Pontiac, MI

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CDUS43 KDTX 310542
CLIDTW


CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
142 AM EDT TUE OCT 31 2017


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

...THE DETROIT MI CLIMATE SUMMARY FOR OCTOBER 30 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         48    258 PM  76    1999  56     -8       57
                                      1950
  MINIMUM         35    353 AM  20    1980  39     -4       43
  AVERAGE         42                        48     -6       50

PRECIPITATION (IN)
  YESTERDAY        0.04          1.29 1900   0.08  -0.04     0.65
  MONTH TO DATE    2.84                      2.44   0.40     2.98
  SINCE SEP 1      3.75                      5.71  -1.96     9.26
  SINCE JAN 1     29.05                     28.14   0.91    30.48

SNOWFALL (IN)
  YESTERDAY        T             0.3  1993   0.0    0.0      0.0
  MONTH TO DATE    T                         0.1   -0.1      0.0
  SINCE SEP 1      T                         0.1   -0.1      0.0
  SINCE JUL 1      T                         0.1   -0.1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       23                        17      6       15
  MONTH TO DATE  238                       379   -141      277
  SINCE SEP 1    304                       483   -179      307
  SINCE JUL 1    308                       493   -185      307

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   32                         7     25       22
  SINCE SEP 1    168                        91     77      154
  SINCE JAN 1    918                       802    116     1177
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    13.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  SLEET
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           400 AM
 LOWEST     57          1100 PM
 AVERAGE    73

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


THE DETROIT MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   56        79      1950
                                             1933
 MINIMUM TEMPERATURE (F)   39        21      1988


SUNRISE AND SUNSET
OCTOBER 31 2017.......SUNRISE   805 AM EDT   SUNSET   628 PM EDT
NOVEMBER  1 2017......SUNRISE   807 AM EDT   SUNSET   627 PM EDT


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




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