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

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507
CDUS43 KDTX 170537
CLIDTW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
137 AM EDT SAT MAY 17 2025

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

...THE DETROIT MI CLIMATE SUMMARY FOR MAY 16 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         83    258 PM  92    1962  70     13       75
  MINIMUM         60    525 AM  32    1967  50     10       50
                                      1984
  AVERAGE         72                        60     12       63

PRECIPITATION (IN)
  YESTERDAY        0.38          1.09 1899   0.12   0.26     0.00
                                      1945
  MONTH TO DATE    3.21                      1.98   1.23     1.06
  SINCE MAR 1      7.95                      7.67   0.28     7.24
  SINCE JAN 1     10.47                     11.98  -1.51    12.73

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 MAR 1      2.2                       7.7   -5.5      0.9
  SINCE JUL 1     28.7                      45.0  -16.3     23.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         6     -6        2
  MONTH TO DATE   99                       132    -33       62
  SINCE MAR 1   1204                      1481   -277     1121
  SINCE JUL 1   5398                      5973   -575     4940

 COOLING
  YESTERDAY        7                         2      5        0
  MONTH TO DATE   17                        13      4        7
  SINCE MAR 1     25                        18      7       22
  SINCE JAN 1     25                        18      7       22
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    10.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  HAIL
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           200 AM
 LOWEST     29           400 PM
 AVERAGE    63

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


THE DETROIT MI CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        93      1962
 MINIMUM TEMPERATURE (F)   51        31      1973


SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE   610 AM EDT   SUNSET   850 PM EDT
MAY 18 2025...........SUNRISE   609 AM EDT   SUNSET   851 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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