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

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CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
943 AM EDT SAT SEP 02 2023

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

...THE DETROIT MI CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            104   08/06/1918
 LOW              38   08/29/1982
HIGHEST           90   08/09         MM      MM
LOWEST            50   08/31         MM      MM
AVG. MAXIMUM    79.4               81.4    -2.0
AVG. MINIMUM    61.5               63.2    -1.7
MEAN            70.5               72.3    -1.8
DAYS MAX >= 90     1                2.7    -1.7
DAYS MAX <= 32     0                0.0     0.0
DAYS MIN <= 32     0                0.0     0.0
DAYS MIN <= 0      0                0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.33   1926
 MINIMUM        0.16   1894
TOTALS          6.50               3.26    3.24
DAILY AVG.      0.21               0.11    0.10
DAYS >= .01       12                9.7     2.3
DAYS >= .10        8                6.1     1.9
DAYS >= .50        3                2.0     1.0
DAYS >= 1.00       1                0.7     0.3
GREATEST
 24 HR. TOTAL   3.51   08/23 TO 08/24
 STORM TOTAL    3.50
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL           0.0   0
TOTALS           0.0                0.0     0.0
 LIQUID EQUIV   0.00               0.00    0.00
SINCE 7/1        0.0                0.0     0.0
 LIQUID 7/1     0.00
DAYS >= TRACE      0                0.0     0.0
DAYS >= 1.0        0                0.0     0.0
GREATEST
 SNOW DEPTH        0
 24 HR TOTAL     0.0
 STORM TOTAL     0.0
 (MM/DD(HH))

DEGREE DAYS
HEATING TOTAL      7                  7       0
 SINCE 7/1         7                  3       4
COOLING TOTAL    180                233     -53
 SINCE 1/1       638                747    -109

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        01/01
LATEST                          05/13
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.3
HIGHEST WIND SPEED/DIRECTION    40/300    DATE  08/24
HIGHEST GUST SPEED/DIRECTION    55/300    DATE  08/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.63
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              8     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       5
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      0
HAZE                     10

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

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