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

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CXUS53 KDTX 011204 RRA
CLMDTW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
801 AM EDT FRI MAY 1 2015

...................................
...THE DETROIT MI CLIMATE SUMMARY FOR THE MONTH OF APRIL 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              89   04/12/1977
 LOW                8   04/18/1875
HIGHEST            76   04/18        MM      MM
LOWEST             25   04/04        MM      MM
AVG. MAXIMUM     60.8              59.1     1.7
AVG. MINIMUM     39.2              39.4    -0.2
MEAN             50.0              49.2     0.8
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      0               0.1    -0.1
DAYS MIN <= 32      5               5.6    -0.6
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.89   1947
 MINIMUM         0.53   1899
TOTALS           2.61              2.90   -0.29
DAILY AVG.       0.09              0.10   -0.01
DAYS >= .01        14              12.2     1.8
DAYS >= .10         7               7.0     0.0
DAYS >= .50         2               1.8     0.2
DAYS >= 1.00        0               0.3    -0.3
GREATEST
 24 HR. TOTAL    0.97   04/09 TO 04/09
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           25.7   1886
                        0
                        0
TOTALS              T               1.7    -1.7
 LIQUID EQUIV      MM              0.20      MM
SINCE 7/1        47.5              42.5     5.0
 LIQUID 7/1      4.75
DAYS >= TRACE       2               1.6     0.4
DAYS >= 1.0         0               0.4    -0.4
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL        TR  04/23 TO 04/23
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL     441               479     -38
 SINCE 7/1       6489              5894     595
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              8.9
HIGHEST WIND SPEED/DIRECTION    39/200    DATE  04/20
HIGHEST GUST SPEED/DIRECTION    49/230    DATE  04/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY         20

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       8
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      3
HAZE                      7

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

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