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

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CXUS53 KFGF 041716
CLSGFK

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND FORKS
1115 AM CST WED DEC 4 2019

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

...THE GRAND FORKS INTL AP ND CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2019 TO 11/30/2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1941 TO 2019

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           90   09/20        103     -13       92  09/16
LOWEST             0   11/11        -31      31       -3  11/17
AVG. MAXIMUM    49.0               53.0    -4.0     47.0
AVG. MINIMUM    33.7               31.1     2.6     28.2
MEAN            41.4               42.0    -0.6     37.6
DAYS MAX >= 90     1                0.7     0.3        1
DAYS MAX <= 32    18               12.9     5.1       23
DAYS MIN <= 32    43               45.9    -2.9       53
DAYS MIN <= 0      1                2.8    -1.8        5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.96   2008
 MINIMUM        0.93   1976
TOTALS         12.57               4.97    7.60     5.84
DAILY AVG.      0.14               0.05    0.09     0.06
DAYS >= .01       33               23.7     9.3       34
DAYS >= .10       18               11.0     7.0       14
DAYS >= .50        7                2.6     4.4        4
DAYS >= 1.00       4                1.1     2.9        1
GREATEST
 24 HR. TOTAL   4.46    MM                          1.00
 STORM TOTAL    3.81                                  MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL          35.8   1985
 24 HR TOTAL    12.4   11/18/1998 TO 11/18/1998
 SNOW DEPTH       MM   MM
TOTALS          10.6                9.2     1.4     11.9
 LIQUID EQUIV   1.10                 MM      MM     1.19
SINCE 7/1       10.6                9.2     1.4       MM
 LIQUID 7/1     1.06                 MM      MM       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE     24                6.9    17.1       24
DAYS >= 1.0        4                2.8     1.2        3
GREATEST
 SNOW DEPTH        6                                   6  10/11
 24 HR TOTAL     7.1    MM                           6.5
 STORM TOTAL     4.4                                  MM
 (MM/DD(HH))            MM

DEGREE DAYS
HEATING TOTAL   2176               2117      59     2495
 SINCE 7/1      2226               2199      27       MM
COOLING TOTAL     47                 27      20       21
 SINCE 1/1       432                379      53      519

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        10/10
LATEST                          05/17
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.6
RESULTANT WIND SPEED/DIRECTION   2/290
HIGHEST WIND SPEED/DIRECTION    44/190    DATE  09/20
HIGHEST GUST SPEED/DIRECTION    61/200    DATE  09/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.68
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             37
NUMBER OF DAYS CLOUDY         28

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       8
LIGHT RAIN               23     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       1
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW               21     SLEET                      0
FOG                      24     FOG W/VIS <= 1/4 MILE      2
HAZE                      5

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

&&

THE SEPTEMBER THROUGH NOVEMBER FALL  SEASON WAS NEAR NORMAL IN
TEMPERATURES AND WETTER THAN NORMAL AT THE GRAND FORKS INTERNATIONAL
AIRPORT. THE MEAN TEMPERATURE OF 41.4 DEGREES WAS 0.6 DEGREES BELOW
NORMAL.

THE TOTAL PRECIPITATION FOR THE SEASON OF 12.57 INCHES WAS 7.60
INCHES ABOVE NORMAL. THIS WAS DUE MAINLY TO THUNDERSTORMS IN THE
SEPTEMBER TIME FRAME THAT DROPPED RECORD RAINFALLS. THE AMOUNT OF
RAINFALL FOR THE SEASON BROKE THE OLD RECORD OF 10.96 INCHES
PREVIOUSLY SET IN 2008.

TOTAL SNOWFALL PRECIPITATION FOR THE SEASON WAS ABOVE NORMAL. THE
10.6 INCHES WAS 1.4 INCHES ABOVE THE NORMAL FOR THE PERIOD AS TWO
SIGNIFICANT SYSTEMS IMPACTED THE REGION. THE RECORD FOR THE PERIOD
IS 35.8 INCHES WHICH WAS SET IN 1985.

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

$$


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