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

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CXUS53 KFGF 011631
CLSGFK

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND FORKS
1030 AM CST MON MAR 1 2021

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

...THE GRAND FORKS INTL AP ND CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2020 TO 2/28/2021...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1941 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             67   02/22/2000
 LOW             -43   01/30/2004
HIGHEST           50   12/08         19      31       41  02/01
LOWEST           -27   02/13          1     -28      -30  01/16
AVG. MAXIMUM    23.7               19.5     4.2     20.1
AVG. MINIMUM     5.5                0.5     5.0     -0.9
MEAN            14.6               10.0     4.6      9.6
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    61               71.5   -10.5       59
DAYS MIN <= 32    90               89.5     0.5       MM
DAYS MIN <= 0     28               44.3   -16.3       MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.78   1989
 MINIMUM        0.37   2002
TOTALS          0.86               1.68   -0.82     2.40
DAILY AVG.      0.01               0.02   -0.01     0.03
DAYS >= .01       20               23.2    -3.2       24
DAYS >= .10        3                5.1    -2.1        7
DAYS >= .50        0                0.2    -0.2        1
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.20                                0.84  12/29 TO 12/29
 STORM TOTAL    0.18                                0.84
 (MM/DD(HH))  12/28(12) TO 12/29(18)

SNOWFALL (INCHES)
RECORDS
 TOTAL          57.7   1997
 24 HR TOTAL    13.5   01/17/1996 TO 01/17/1996
 SNOW DEPTH        3   01/01/2021
                       01/02/2021
                       01/03/2021
TOTALS          13.7               28.0   -14.3     35.0
 LIQUID EQUIV   1.40               2.80   -1.40     3.50
SINCE 7/1       17.6               37.2   -19.6       MM
 LIQUID 7/1     1.76                 MM      MM       MM
SNOWDEPTH AVG.     1                                  13
DAYS >= TRACE     41               27.0    14.0       42
DAYS >= 1.0        4                8.5    -4.5        8
GREATEST
 SNOW DEPTH        3R  01/01                          20  01/20
                       01/02
                       01/03
                                                          01/21
 24 HR TOTAL     2.3                                10.7  01/18 TO 01/18
 STORM TOTAL     4.0                                 9.4
 (MM/DD(HH))            MM

DEGREE DAYS
HEATING TOTAL   4489               4951    -462     5021
 SINCE 7/1      6594               7149    -555       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        09/08
LATEST                          05/30
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.5
RESULTANT WIND SPEED/DIRECTION   3/260
HIGHEST WIND SPEED/DIRECTION    45/350    DATE  12/23
HIGHEST GUST SPEED/DIRECTION    59/340    DATE  12/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.61
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC             39
NUMBER OF DAYS CLOUDY         31

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       2
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW               39     SLEET                      0
FOG                      41     FOG W/VIS <= 1/4 MILE      4
HAZE                     19

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

&&

THE WINTER SEASON AT THE GRAND FORKS INTERNATIONAL AIRPORT OVERALL
HAD ABOVE NORMAL TEMPERATURES AND BELOW NORMAL MOISTURE. AVERAGE
TEMPERATURES THROUGH THE SEASON WERE ON THE WARM SIDE DURING
DECEMBER AND JANUARY. THE AVERAGE TEMPERATURE FOR DECEMBER WAS 21.0
DEGREES WHICH WAS 9.5 DEGREES ABOVE NORMAL AND JANUARY WAS 17.5
DEGREES WHICH WAS 12.2 DEGREES ABOVE NORMAL. AN ARCTIC OUTBREAK
DURING THE MONTH OF FEBRUARY DROPPED THE AVERAGE TEMPERATURE FOR THE
MONTH TO 5.3 DEGREES WHICH WAS 4.7 DEGREES BELOW NORMAL. OVERALL,
THE AVERAGE TEMPERATURE FOR THE SEASON WAS 14.6 DEGREES WHICH IS 5.6
DEGREES ABOVE NORMAL.

THE AVERAGE HIGH TEMPERATURE FOR THE SEASON WAS 23.7 DEGREES WHICH
WAS 5.4 DEGREES ABOVE NORMAL. THE AVERAGE LOW TEMPERATURE WAS 5.5
DEGREES WHICH WAS 5.8 DEGREES ABOVE NORMAL. THE AVERAGE HIGHS AND
LOWS FOR THE SEASON TRENDED THE SAME WAY WITH DECEMBER AND JANUARY
ON THE WARM SIDE AND FEBRUARY BELOW NORMAL DUE TO AN ARCTIC OUTBREAK.

PRECIPITATION FOR THE SEASON WAS WELL BELOW NORMAL. TOTAL
PRECIPITATION WAS 0.86 WHICH WAS 0.92 INCHES BELOW NORMAL. THIS IS
THE EIGHTH LOWEST SEASONAL PRECIPITATION TOTAL ON RECORD WITH THE
RECORD OF 0.37 SET IN 2002.

SNOWFALL FOR THE SEASON WAS ALSO WELL BELOW NORMAL. TOTAL SNOWFALL
WAS 13.7 INCHES WHICH WAS 10.3 INCHES BELOW NORMAL. THIS IS THE
FIFTEENTH LOWEST SEASONAL SNOWFALL ON RECORD WITH THE LOWEST OF 2.8
INCHES RECORDED IN 1958.

$$


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