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

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CLIDTW


CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
429 PM EDT FRI MAY 12 2017


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

...THE DETROIT MI CLIMATE SUMMARY FOR MAY 12 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         66    237 PM  90    1881  69     -3       78
  MINIMUM         44    546 AM  32    1934  48     -4       55
  AVERAGE         55                        58     -3       67

PRECIPITATION (IN)
  TODAY            0.00          1.48 2002   0.10  -0.10     1.02
  MONTH TO DATE    1.99                      1.22   0.77     1.76
  SINCE MAR 1      9.80                      6.40   3.40     8.93
  SINCE JAN 1     14.53                     10.38   4.15    12.29

SNOWFALL (IN)
  TODAY            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      7.0                       8.6   -1.6      8.7
  SINCE JUL 1     37.9                      42.5   -4.6     35.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           10                         8      2        0
  MONTH TO DATE  171                       109     62      102
  SINCE MAR 1   1360                      1450    -90     1326
  SINCE JUL 1   5098                      6003   -905     5091

 COOLING
  TODAY            0                         1     -1        2
  MONTH TO DATE    0                         7     -7        2
  SINCE MAR 1      7                        13     -6        2
  SINCE JAN 1      7                        13     -6        2
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     6.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           400 AM
 LOWEST     48           200 PM
 AVERAGE    62

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


THE DETROIT MI CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        89      1977
 MINIMUM TEMPERATURE (F)   48        30      2013
                                             1971


SUNRISE AND SUNSET
MAY 12 2017...........SUNRISE   615 AM EDT   SUNSET   845 PM EDT
MAY 13 2017...........SUNRISE   614 AM EDT   SUNSET   846 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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