National Weather Service Text Product Display

Climatological Report (Monthly)
Issued by NWS Detroit/Pontiac, MI
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CXUS53 KDTX 010628
CLMDTW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
123 AM EST TUE JAN 1 2013

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

...THE DETROIT MI CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              90   12/07/2009
 LOW              -24   10/07/5881
HIGHEST            63   12/04        MM      MM
                        12/03
LOWEST             13   12/28        MM      MM
AVG. MAXIMUM     42.0              36.1     5.9
AVG. MINIMUM     29.8              24.1     5.7
MEAN             35.9              30.1     5.8
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      5              10.5    -5.5
DAYS MIN <= 32     18              23.9    -5.9
DAYS MIN <= 0       0               0.7    -0.7

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.19   1967
 MINIMUM         0.42   1900
TOTALS           2.64              2.46    0.18
DAILY AVG.       0.09              0.08    0.01
DAYS >= .01        14              13.7     0.3
DAYS >= .10         7               6.2     0.8
DAYS >= .50         1               1.4    -0.4
DAYS >= 1.00        0               0.2    -0.2
GREATEST
 24 HR. TOTAL    0.85   12/20 TO 12/21
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           34.9   1974
                        0
                        0
TOTALS           10.6               9.6     1.0
 LIQUID EQUIV    1.06              1.00    0.06
SINCE 7/1        11.0              11.2    -0.2
 LIQUID 7/1      1.10
DAYS >= TRACE       8               8.5    -0.5
DAYS >= 1.0         3               3.2    -0.2
GREATEST
 SNOW DEPTH         6   12/30
                        12/29
                        12/27
 24 HR TOTAL      5.8   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL     893              1082    -189
 SINCE 7/1       2119              2297    -178
COOLING TOTAL       0                 0       0
 SINCE 1/1       1156               803     353

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

WIND (MPH)
AVERAGE WIND SPEED              8.3
HIGHEST WIND SPEED/DIRECTION    32/200    DATE  12/20
HIGHEST GUST SPEED/DIRECTION    41/300    DATE  12/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY         23

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                8     SLEET                      0
FOG                      20     FOG W/VIS <= 1/4 MILE      4
HAZE                      6

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

$$
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CLIMATOLOGICAL STATISTICS FOR THE NWS WHITE LAKE - DECEMBER 2012

...TEMPERATURE DATA...               ...PRECIPITATION DATA...
AVERAGE MAXIMUM.... 39.2             MONTHLY TOTAL ..........2.74
AVERAGE MINIMUM.... 25.5             GREATEST DAILY TOTAL....0.96
MONTHLY AVERAGE.... 32.4             ON THE 20TH
                                     2012 TOTAL..............29.12

...HEATING DEGREE DAYS...            ...SNOWFALL DATA...
MONTHLY TOTAL..........1003          MONTHLY TOTAL..........13.6
2012-13 SEASON TOTAL...2574          2011-12 SEASON TOTAL...14.8

...COOLING DEGREE DAYS...
MONTHLY TOTAL.........0
2012 TOTAL............568

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National Weather Service Weather Forecast Office
