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

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CXUS53 KFGF 011044
CLSGFK

CLIMATE REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
427 AM CST FRI DEC 1 2017

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

...THE GRAND FORKS INTL AP ND CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2017 TO 11/30/2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             103   09/02/1983
 LOW              -31   11/29/1985
HIGHEST            94   09/12       103      -9       84  09/03
LOWEST             -9   11/09       -31      22       16  11/19
AVG. MAXIMUM     54.5              53.0     1.5     59.2
AVG. MINIMUM     32.6              31.1     1.5     39.4
MEAN             43.6              42.0     1.6     49.3
DAYS MAX >= 90      2               0.7     1.3        0
DAYS MAX <= 32     15              12.9     2.1        0
DAYS MIN <= 32     44              45.9    -1.9       24
DAYS MIN <= 0       4               2.8     1.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        10.96   2008
 MINIMUM         0.93   1976
TOTALS           5.43              4.97    0.46     6.60
DAILY AVG.       0.06              0.05    0.01     0.07
DAYS >= .01        19              23.7    -4.7       MM
DAYS >= .10         7              11.0    -4.0       MM
DAYS >= .50         4               2.6     1.4       MM
DAYS >= 1.00        1               1.1    -0.1       MM
GREATEST
 24 HR. TOTAL    1.96   MM                       11/30 TO 11/30
                                                          11/30 TO 11/30
                                                          11/30 TO 11/30
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    11/30(00) TO 11/30(00)
                                                 11/30(00) TO 11/30(00)0
                                                 11/30(00) TO 11/30(00)0

SNOWFALL (INCHES)
RECORDS
 TOTAL           35.8   1985
 24 HR TOTAL     12.4   11/18/1998 TO 11/18/1998
 SNOW DEPTH        MM   MM
TOTALS           10.2               9.2     1.0      1.1
 LIQUID EQUIV    1.02                MM      MM     0.11
SINCE 7/1        10.2               9.2     1.0      1.1
 LIQUID 7/1      1.02                MM      MM     0.11
SNOWDEPTH AVG.      1                MM      MM        0
DAYS >= TRACE      14               6.9     7.1        4
DAYS >= 1.0         3               2.8     0.2        0
GREATEST
 SNOW DEPTH         6   11/10                          0  MM
                        11/08
                        11/09
 24 HR TOTAL      5.2   MM                       11/30 TO 11/30
                                                          11/30 TO 11/30
                                                          11/30 TO 11/30
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    11/30(00) TO 11/30(00)
                                                 11/30(00) TO 11/30(00)0
                                                 11/30(00) TO 11/30(00)0

DEGREE_DAYS
HEATING TOTAL    1966              2117    -151     1440
 SINCE 7/1         MM              2199      MM     1468
COOLING TOTAL      36                27       9       30
 SINCE 1/1        411               379      32      434

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

WIND (MPH)
AVERAGE WIND SPEED              11.7
RESULTANT WIND SPEED/DIRECTION   3/251
HIGHEST WIND SPEED/DIRECTION    45/350    DATE  10/26
HIGHEST GUST SPEED/DIRECTION    65/350    DATE  10/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           32
NUMBER OF DAYS PC             36
NUMBER OF DAYS CLOUDY         23

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       6
LIGHT RAIN               20     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               12     SLEET                      1
FOG                      27     FOG W/VIS <= 1/4 MILE      4
HAZE                      5

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

&&

REMARKS...

THE SEPTEMBER TO NOVEMBER FALL OF 2017 WAS MARKED BY EARLY WINTER
WEATHER AT THE END OF THE MONTH OF OCTOBER FOLLOWED BY FLUCTUATING
TEMPERATURE BELOW AND ABOVE AVERAGE TEMPERATURES THROUGH NOVEMBER.
AT THE GRAND FORKS AIRPORT CLIMATE STATION THE HIGHEST TEMPERATURE
REACHED 94 DEGREES ON SEPT 12 AND DROPPED TO MINUS 9 DEGREES ON NOV
9. THE FALL OF 2017 WAS ABOVE AVERAGE IN PRECIPITATION WITH 5.43
INCHES OF PRECIPITATION FALLING DURING THE THREE MONTH PERIOD.
10.2 INCHES OF SNOW FELL THIS FALL, WHICH IS 1 INCHES ABOVE THE
SEASONAL AVERAGE.


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

$$



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