Climatological Report (Monthly)
Issued by NWS Grand Forks, ND

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CLIMATE REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
718 AM CDT FRI MAY 1 2015

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

...THE GRAND FORKS CLIMATE SUMMARY FOR THE MONTH OF APRIL 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1941 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             100   04/21/1980
 LOW               -9   04/02/1920
HIGHEST            80   04/30        54      26       72  04/20
LOWEST             13   04/03        31     -18       -6  04/02
AVG. MAXIMUM     59.0              53.9     5.1     47.3
AVG. MINIMUM     29.8              31.1    -1.3     27.3
MEAN             44.4              42.5     1.9     37.3
DAYS MAX >= 90      0               0.1    -0.1        0
DAYS MAX <= 32      0               1.3    -1.3        4
DAYS MIN <= 32     21              18.7     2.3       17
DAYS MIN <= 0       0               0.0     0.0        2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.64   1974
 MINIMUM         0.00   1988
TOTALS           0.73              1.01   -0.28     2.62
DAILY AVG.       0.02              0.03   -0.01     0.09
DAYS >= .01         5               7.0    -2.0        8
DAYS >= .10         3               3.0     0.0        4
DAYS >= .50         0               0.4    -0.4        2
DAYS >= 1.00        0               0.0     0.0        1
GREATEST
 24 HR. TOTAL    0.44   04/19 TO 04/19
                        04/18 TO 04/19
                        04/19 TO 04/19

SNOWFALL (INCHES)
RECORDS
 TOTAL            9.6   1994
TOTALS            0.6               2.9    -2.3      1.1
SINCE 7/1        17.0              47.3   -30.3     60.3
SNOWDEPTH AVG.      0                MM      MM        2
DAYS >= 1.0         0               0.7    -0.7        1
GREATEST
 SNOW DEPTH         T   04/08                         11  04/01
 24 HR TOTAL      0.4   MM

DEGREE_DAYS
HEATING TOTAL     611               693     -82      824
 SINCE 7/1       8575              9078    -503    10174
COOLING TOTAL       0                 1      -1        0
 SINCE 1/1          0                 1      -1        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.3
HIGHEST WIND SPEED/DIRECTION    38/360    DATE  04/21
HIGHEST GUST SPEED/DIRECTION    45/350    DATE  04/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     54

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                5     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      1
HAZE                      1

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

&&

OVERALL APRIL WAS WARM AND DRY. THE ABOVE AVERAGE TEMPERATURE WERE DUE
TO A LACK OF SNOWPACK THROUGHOUT THE MONTH. THE AVERAGE MONTHLY
TEMPERATURE WAS 44.4 DEGREES...1.9 DEGREES WARMER THAN NORMAL...WITH ONLY
0.73 INCHES OF PRECIPITATION...OR 0.28 INCHES DRIER THAN NORMAL.

$$







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