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

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CXUS53 KDTX 021612
CLMDTW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1019 AM EST THU JAN 2 2014

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

...THE DETROIT MI CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              69   12/06/1998
 LOW              -11   12/29/1880
HIGHEST            59   12/05        MM      MM
LOWEST              5   12/16        MM      MM
                        12/12
AVG. MAXIMUM     32.9              36.1    -3.2
AVG. MINIMUM     20.7              24.1    -3.4
MEAN             26.8              30.1    -3.3
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32     18              10.5     7.5
DAYS MIN <= 32     28              23.9     4.1
DAYS MIN <= 0       0               0.7    -0.7

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.19   1967
 MINIMUM         0.42   1900
TOTALS           2.42              2.46   -0.04
DAILY AVG.       0.08              0.08    0.00
DAYS >= .01        15              13.7     1.3
DAYS >= .10         4               6.2    -2.2
DAYS >= .50         1               1.4    -0.4
DAYS >= 1.00        0               0.2    -0.2
GREATEST
 24 HR. TOTAL    1.13   12/21 TO 12/22
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           34.9   1974
                        0
                        0
TOTALS           15.5               9.6     5.9
 LIQUID EQUIV    1.55              1.00    0.55
SINCE 7/1        16.7              11.2     5.5
 LIQUID 7/1      1.67
DAYS >= TRACE      20               8.5    11.5
DAYS >= 1.0         5               3.2     1.8
GREATEST
 SNOW DEPTH         8   12/19
                        12/18
                        12/17
 24 HR TOTAL      7.7   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL    1177              1082      95
 SINCE 7/1       2479              2297     182
COOLING TOTAL       0                 0       0
 SINCE 1/1        891               803      88

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

WIND (MPH)
AVERAGE WIND SPEED              9.6
HIGHEST WIND SPEED/DIRECTION    32/230    DATE  12/05
HIGHEST GUST SPEED/DIRECTION    41/230    DATE  12/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.90
NUMBER OF DAYS FAIR            0
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY         27

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                1     SNOW                       5
LIGHT SNOW               20     SLEET                      0
FOG                      24     FOG W/VIS <= 1/4 MILE      3
HAZE                     13

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

$$

-------------------------------------------------------------------
CLIMATOLOGICAL STATISTICS FOR THE NWS WHITE LAKE - DECEMBER 2013

...TEMPERATURE DATA...               ...PRECIPITATION DATA...
AVERAGE MAXIMUM.... 29.5             MONTHLY TOTAL ..........1.92
AVERAGE MINIMUM.... 15.5             GREATEST DAILY TOTAL....0.56
MONTHLY AVERAGE.... 22.5             ON THE 21ST
                                     2013 TOTAL..............35.89

...HEATING DEGREE DAYS...            ...SNOWFALL DATA...
MONTHLY TOTAL..........1308          MONTHLY TOTAL..........14.9
2013-14 SEASON TOTAL...2995          2013-14 SEASON TOTAL...16.6

...COOLING DEGREE DAYS...
MONTHLY TOTAL.........0
2013 TOTAL............435

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