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

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CXUS53 KDTX 061929
CLMDTW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
251 PM EST TUE JAN 3 2017

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

...THE DETROIT MI CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

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              90   12/07/2009
 LOW              -11   12/29/1880
HIGHEST            57   12/26        MM      MM
LOWEST              0   12/19        MM      MM
AVG. MAXIMUM     34.6              36.1    -1.5
AVG. MINIMUM     23.5              24.1    -0.6
MEAN             29.0              30.1    -1.1
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32     12              10.5     1.5
DAYS MIN <= 32     25              23.9     1.1
DAYS MIN <= 0       1               0.7     0.3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.19   1967
 MINIMUM         0.42   1900
TOTALS           2.16              2.46   -0.30
DAILY AVG.       0.07              0.08   -0.01
DAYS >= .01        13              13.7    -0.7
DAYS >= .10         6               6.2    -0.2
DAYS >= .50         2               1.4     0.6
DAYS >= 1.00        0               0.2    -0.2
GREATEST
 24 HR. TOTAL    0.67   12/25 TO 12/26
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           34.9   1974
                        0
                        0
TOTALS           16.8               9.6     7.2
 LIQUID EQUIV    1.68              1.00    0.68
SINCE 7/1        16.9              11.2     5.7
 LIQUID 7/1      1.69
DAYS >= TRACE      19               8.5    10.5
DAYS >= 1.0         4               3.2     0.8
GREATEST
 SNOW DEPTH         9   12/17
                        12/12
 24 HR TOTAL     10.6R  MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    1110              1082      28
 SINCE 7/1       1978              2297    -319
COOLING TOTAL       0                 0       0
 SINCE 1/1       1177               803     374

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

WIND (MPH)
AVERAGE WIND SPEED              11.2
HIGHEST WIND SPEED/DIRECTION    33/260    DATE  12/26
HIGHEST GUST SPEED/DIRECTION    44/220    DATE  12/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.90
NUMBER OF DAYS FAIR            1
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY         26

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                2     SNOW                       6
LIGHT SNOW               19     SLEET                      0
FOG                      23     FOG W/VIS <= 1/4 MILE      3
HAZE                     21

-  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 - DECEMBER 2016

...TEMPERATURE DATA...              ...PRECIPITATION DATA...
AVERAGE MAXIMUM...32.0              MONTHLY TOTAL..........1.88
AVERAGE MINIMUM...19.2              GREATEST DAILY TOTAL...0.79
MONTHLY AVERAGE...25.6              ON THE 11TH
                                    2016 TOTAL............36.14

...HEATING DEGREE DAYS...           ...SNOWFALL DATA...
MONTHLY TOTAL............1212       MONTHLY TOTAL............19.3
2016-2017 SEASON TOTAL...2397       2016-2017 SEASON TOTAL...19.6

...COOLING DEGREE DAYS...
MONTHLY TOTAL...0
2016 TOTAL......544

================================================================
       SOUTHEAST MICHIGAN CLIMATE SUMMARY FOR DECEMBER 2016


DECEMBER 2016 MONTHLY STATISTICS AND RANKINGS
-----------------------------------------------------------------
SNOWFALL
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA    16.8"       9.6"       +7.2"     13TH SNOWIEST
FLINT AREA      20.2"      11.8"       +8.4"      8TH SNOWIEST
SAGINAW         16.6"       9.0"       +7.6"     18TH SNOWIEST

SNOW YEAR SINCE JULY 1*

                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     16.9"     11.2"       +5.7"     26TH SNOWIEST
FLINT AREA       20.2"     14.7"       +5.5"     17TH SNOWIEST
SAGINAW          18.2"     12.9"       +5.3"     26TH SNOWIEST

      *NORMAL TO DATE (AS OF DECEMBER 31, 2016)

PRECIPITATION
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA    2.16"      2.46"      -0.30"     65TH DRIEST
FLINT AREA      1.59"      1.92"      -0.33"     38TH DRIEST
SAGINAW         1.37"      1.86"      -0.49"     34TH DRIEST

WATER YEAR SINCE JANUARY 1*

                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA    34.74"    33.47"      +1.27"     43RD WETTEST
FLINT AREA      30.74"    31.37"      -0.63"     44TH WETTEST
SAGINAW         31.74"    31.54"      +0.20"     39TH WETTEST

      *NORMAL TO DATE (AS OF DECEMBER 31, 2016)

AVERAGE TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     29.0      30.1       -1.1       62ND COLDEST
FLINT AREA       27.8      27.4       +0.4       43RD WARMEST
SAGINAW          27.1      27.3       -0.2       48TH WARMEST

AVERAGE HIGH TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     34.6      36.1       -1.5       59TH COLDEST
FLINT AREA       33.0      34.1       -1.1       35TH COLDEST
SAGINAW          32.5      33.5       -1.0       50TH COLDEST

AVERAGE LOW TEMPERATURE
                ACTUAL    NORMAL     DEPARTURE     RANKING
DETROIT AREA     23.5      24.1       -0.6       70TH COLDEST
FLINT AREA       22.5      20.8       +1.7       36TH COLDEST
SAGINAW          21.7      21.2       -0.2       44TH WARMEST


DETROIT AREA HAS A CLIMATE RECORD DATING TO NOVEMBER 1874
FLINT AREA HAS A CLIMATE RECORD DATING TO JANUARY 1921
SAGINAW HAS A CLIMATE RECORD DATING TO 1912


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