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

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CXUS53 KFGF 011952
CLMFGF

CLIMATE REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
928 AM CDT TUE MAY 1 2018

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

...THE GRAND FORKS UNIV. (NWS) CLIMATE SUMMARY FOR THE MONTH OF APRIL 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              98   04/21/1980
 LOW               -9   04/02/1920
HIGHEST            78   04/30        55      23
LOWEST              3   04/06        32     -29
AVG. MAXIMUM     45.2              54.8    -9.6
AVG. MINIMUM     24.5              32.0    -7.5
MEAN             34.8              43.4    -8.6
DAYS MAX >= 90      0               0.1    -0.1
DAYS MAX <= 32      8               1.2     6.8
DAYS MIN <= 32     20              16.4     3.6
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.48   1898
 MINIMUM         0.00   1980
TOTALS           0.62              0.98   -0.36
DAILY AVG.       0.02              0.03   -0.01
DAYS >= .01         4               6.4    -2.4
DAYS >= .10         1               2.8    -1.8
DAYS >= .50         0               0.5    -0.5
DAYS >= 1.00        0               0.1    -0.1
GREATEST
 24 HR. TOTAL    0.44   04/30 TO 04/30              0.56
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           12.6   1894
TOTALS            1.6               1.6     0.0
 LIQUID EQUIV    0.16              0.20   -0.04
SINCE 7/1        57.0              43.3    13.7
 LIQUID 7/1      5.70
DAYS >= TRACE       5               1.1     3.9
DAYS >= 1.0         0               0.5    -0.5
GREATEST
 SNOW DEPTH         6   04/01

DEGREE_DAYS
HEATING TOTAL     898               649     249
 SINCE 7/1       9104              8815     289
COOLING TOTAL       0                 3      -3
 SINCE 1/1          0                 3      -3
..............................................................

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


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

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

&&

THE MONTH OF APRIL IN GRAND FORKS AT THE NATIONAL WEATHER SERVICE
OFFICE WAS OVERALL COLDER AND DRIER THAN NORMAL. THE MONTH STARTED
OFF VERY COLD WITH DAILY TEMPERATURE DEPARTURES AS MUCH AS 22
DEGREES BELOW AVERAGE...BUT AFTER THE 20TH OF THE MONTH TEMPERATURE
DEPARTURES TRENDED TOWARD NORMAL TO ABOVE AVERAGE VALUES. THE
RESULTANT AVERAGE MONTHLY TEMPERATURE WAS 34.9 DEGREES WHICH WAS 8.6
DEGREES BELOW NORMAL. THIS MAKES THE AVERAGE MONTHLY TEMPERATURE THE
NINTH COLDEST ON RECORD...WITH THE COLDEST BEING 30.4 DEGREES BACK
IN 1950. OTHERWISE...LIQUID EQUIVALENT PRECIPITATION WAS 0.62 INCHES
FOR THE MONTH WHICH WAS 0.36 INCHES BELOW NORMAL. A TOTAL OF 1.6
INCHES SNOW FELL DURING APRIL.

REMEMBER...THIS DATA IS PROVISIONAL AND IS SUBJECT TO CHANGE. THE
FINAL AND OFFICIAL RECORDS WILL BE AVAILABLE FROM THE NATIONAL
CENTERS FOR ENVIRONMENTAL INFORMATION (FORMERLY THE NATIONAL
CLIMATIC DATA CENTER).

$$


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