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

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CXUS53 KDTX 031324
CLMDTW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
922 AM EDT WED MAY 3 2017

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

...THE DETROIT MI CLIMATE SUMMARY FOR THE MONTH OF APRIL 2017...

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

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              89   04/12/1977
 LOW                8   04/18/1875
HIGHEST            83   04/15        MM      MM
LOWEST             33   04/08        MM      MM
AVG. MAXIMUM     64.5              59.1     5.4
AVG. MINIMUM     44.1              39.4     4.7
MEAN             54.3              49.2     5.1
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      0               0.1    -0.1
DAYS MIN <= 32      0               5.6    -5.6
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.89   1947
 MINIMUM         0.53   1899
TOTALS           3.55              2.90    0.65
DAILY AVG.       0.12              0.10    0.02
DAYS >= .01        13              12.2     0.8
DAYS >= .10         8               7.0     1.0
DAYS >= .50         3               1.8     1.2
DAYS >= 1.00        0               0.3    -0.3
GREATEST
 24 HR. TOTAL    0.93   04/05 TO 04/06
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           25.7   1886
                        0
                        0
TOTALS            0.1               1.7    -1.6
 LIQUID EQUIV    0.01              0.20   -0.19
SINCE 7/1        37.9              42.5    -4.6
 LIQUID 7/1      3.79
DAYS >= TRACE       2               1.6     0.4
DAYS >= 1.0         0               0.4    -0.4
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.1R  MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL     324               479    -155
 SINCE 7/1       4927              5894    -967
COOLING TOTAL       7                 6       1
 SINCE 1/1          7                 6       1

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
.................................................

WIND (MPH)
AVERAGE WIND SPEED              10.3
HIGHEST WIND SPEED/DIRECTION    35/220    DATE  04/10
HIGHEST GUST SPEED/DIRECTION    42/230    DATE  04/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         17

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       8
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                2     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      0
HAZE                     12

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

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