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

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CXUS53 KDTX 142049 AAA
CLMDTW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
454 AM EDT FRI MAY 3 2013

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              89   04/12/1977
 LOW                8   04/18/1875
HIGHEST            80   04/18        MM      MM
LOWEST             24   04/03        MM      MM
                        04/02
AVG. MAXIMUM     55.8              59.1    -3.3
AVG. MINIMUM     37.1              39.4    -2.3
MEAN             46.4              49.2    -2.8
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      0               0.1    -0.1
DAYS MIN <= 32      9               5.6     3.4
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.89   1947
 MINIMUM         0.53   1899
TOTALS           5.29              2.90    2.39
DAILY AVG.       0.18              0.10    0.08
DAYS >= .01        15              12.2     2.8
DAYS >= .10        11               7.0     4.0
DAYS >= .50         3               1.8     1.2
DAYS >= 1.00        1               0.3     0.7
GREATEST
 24 HR. TOTAL    1.60   04/11 TO 04/12
 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        47.7              42.5     5.2
 LIQUID 7/1      4.77
DAYS >= TRACE       6               1.6     4.4
DAYS >= 1.0         0               0.4    -0.4
GREATEST
 SNOW DEPTH         T   04/20
 24 HR TOTAL      0.1R  MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL     551               479      72
 SINCE 7/1       5769              5894    -125
COOLING TOTAL       0                 6      -6
 SINCE 1/1          0                 6      -6

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

WIND (MPH)
AVERAGE WIND SPEED              9.6
HIGHEST WIND SPEED/DIRECTION    38/210    DATE  04/19
HIGHEST GUST SPEED/DIRECTION    47/200    DATE  04/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         17

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       9
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                4     SLEET                      2
FOG                      16     FOG W/VIS <= 1/4 MILE      2
HAZE                      6

-  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 - APRIL 2013

...TEMPERATURE DATA...               ...PRECIPITATION DATA...
AVERAGE MAXIMUM.... 53.0             MONTHLY TOTAL ..........6.36
AVERAGE MINIMUM.... 33.0             GREATEST DAILY TOTAL....1.01
MONTHLY AVERAGE.... 43.0             ON THE 11TH
                                     2013 TOTAL..............12.78

...HEATING DEGREE DAYS...            ...SNOWFALL DATA...
MONTHLY TOTAL..........653           MONTHLY TOTAL..........0.3
2012-13 SEASON TOTAL...6731          2012-13 SEASON TOTAL...47.9

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

=====================================================================

        SOUTHEAST MICHIGAN CLIMATE SUMMARY FOR APRIL 2013
                    ...COOLER THAN NORMAL...
                ...AMONG THE WETTEST ON RECORD...


APRIL 2013 MONTHLY STATISTICS AND RANKINGS
---------------------------------------------------------------------

SNOW
              ACTUAL   NORMAL*  DEPARTURE     RANKING
DETROIT AREA   0.1"     1.7"    -1.6"       29TH LEAST SNOWY
FLINT AREA     0.2"     2.3"    -2.1"       27TH LEAST SNOWY
SAGINAW        0.1"     1.7"    -1.6"       36TH LEAST SNOWY

SNOW SEASON SINCE JULY 1

              ACTUAL   NORMAL*  DEPARTURE     RANKING
DETROIT AREA   47.7"    42.5     +4.4"       39TH SNOWIEST
FLINT AREA     43.8"    47.4"    -3.6"       37TH SNOWIEST
SAGINAW        43.5"    41.5"    +2.0"       42ND SNOWIEST

     *NORMAL TO-DATE (AS OF APRIL 30, 2012)


PRECIPITATION
              ACTUAL   NORMAL  DEPARTURE     RANKING
DETROIT AREA   5.29"    2.90"   +2.39"       6TH WETTEST
FLINT AREA     6.44"    2.89"   +3.55"       1ST WETTEST
SAGINAW        7.33"    2.89"   +4.44"       1ST WETTEST

WATER YEAR SINCE JANUARY 1

              ACTUAL   NORMAL*  DEPARTURE     RANKING
DETROIT AREA  12.36"    9.16"    +3.15"     17TH WETTEST
FLINT AREA    12.67"    7.91"    +4.76"      4TH WETTEST
SAGINAW       13.18"    8.27"    +4.91       5TH WETTEST

     *NORMAL TO-DATE (AS OF APRIL 30, 2012)


AVERAGE TEMPERATURE

              ACTUAL   NORMAL  DEPARTURE     RANKING
DETROIT AREA   46.4     49.2     -2.8       66TH COLDEST
FLINT AREA     45.1     46.4     -1.3       34TH COLDEST
SAGINAW        43.7     46.1     -2.4       31ST COLDEST


AVERAGE HIGH TEMPERATURE

              ACTUAL   NORMAL  DEPARTURE     RANKING
DETROIT AREA   55.8     59.1     -3.3       67TH COLDEST
FLINT AREA     55.1     57.3     -2.2       34TH COLDEST
SAGINAW        52.7     56.1     -3.4       28TH COLDEST


AVERAGE LOW TEMPERATURE

              ACTUAL   NORMAL  DEPARTURE     RANKING
DETROIT AREA   37.1     39.4     -2.8       54TH COLDEST
FLINT AREA     35.1     35.5     -0.4       41ST COLDEST
SAGINAW        34.6     46.1     -2.4       32ND COLDEST


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 JANUARY 1912





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