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

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CXUS53 KDTX 011239
CLMDTW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
831 AM EDT THU JUN 1 2017

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

...THE DETROIT MI CLIMATE SUMMARY FOR THE MONTH OF MAY 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              95   05/28/2012
                        05/31/1895
                        07/08/1936
 LOW               25   05/10/1966
HIGHEST            88   05/18        MM      MM
                        05/17
LOWEST             33   05/08        MM      MM
AVG. MAXIMUM     68.3              69.9    -1.6
AVG. MINIMUM     49.6              49.4     0.2
MEAN             59.0              59.7    -0.7
DAYS MAX >= 90      0               0.4    -0.4
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      0               0.2    -0.2
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.46   2004
 MINIMUM         0.43   1920
TOTALS           4.39              3.38    1.01
DAILY AVG.       0.14              0.11    0.03
DAYS >= .01        14              12.1     1.9
DAYS >= .10        10               6.9     3.1
DAYS >= .50         4               2.3     1.7
DAYS >= 1.00        0               0.7    -0.7
GREATEST
 24 HR. TOTAL    0.99   05/04 TO 05/04
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL            6.0   1923
                        0
                        0
TOTALS            0.0                 T     0.0
 LIQUID EQUIV    0.00                MM      MM
SINCE 7/1        37.9              42.5    -4.6
 LIQUID 7/1      3.79
DAYS >= TRACE       0               0.0     0.0
DAYS >= 1.0         0               0.0     0.0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   05/31 TO 05/31
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL     219               208      11
 SINCE 7/1       5146              6102    -956
COOLING TOTAL      39                42      -3
 SINCE 1/1         46                48      -2

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

WIND (MPH)
AVERAGE WIND SPEED              10.0
HIGHEST WIND SPEED/DIRECTION    37/230    DATE  05/18
HIGHEST GUST SPEED/DIRECTION    49/240    DATE  05/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         17

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       8
LIGHT RAIN               19     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      1
HAZE                      5

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

$$

---------------------------------------------------------------
MONTHLY CLIMATE DATA FOR NWS WHITE LAKE - MAY 2017

...TEMPERATURE DATA...              ...PRECIPITATION DATA...
AVERAGE MAXIMUM...64.1              MONTHLY TOTAL..........3.63
AVERAGE MINIMUM...343.5             GREATEST DAILY TOTAL...1.01
MONTHLY AVERAGE...53.8              ON THE 28TH
                                    2017 TOTAL............16.50

...HEATING DEGREE DAYS...           ...SNOWFALL DATA...
MONTHLY TOTAL............353        MONTHLY TOTAL............0.0
2016-2017 SEASON TOTAL...6360       2016-2017 SEASON TOTAL...40.0

...COOLING DEGREE DAYS...
MONTHLY TOTAL...12
2017 TOTAL......12



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