National Weather Service Text Product Display

Climatological Report (Seasonal)
Issued by NWS Grand Forks, ND
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CXUS53 KFGF 011030
CLSGFK

CLIMATE REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
339 AM CST FRI MAR 1 2013

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

...THE GRAND FORKS INTL AP ND CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2012 TO 2/28/2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1941 TO 2013

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            44   12/03        19      25       51  12/18
LOWEST            -19   02/01         1     -20      -17  01/19
AVG. MAXIMUM     19.2              19.5    -0.3     29.1
AVG. MINIMUM      1.9               0.5     1.4      9.3
MEAN             10.6              10.0     0.6     19.2
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     78              71.5     6.5       52
DAYS MIN <= 32     90              89.5     0.5       91
DAYS MIN <= 0      41              44.3    -3.3       20

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.78   1989
 MINIMUM         0.37   2002
TOTALS           1.10              1.68   -0.58     1.54
DAILY AVG.       0.01              0.02   -0.01     0.02
DAYS >= .01        23              23.2    -0.2       22
DAYS >= .10         3               5.1    -2.1        5
DAYS >= .50         0               0.2    -0.2        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.23   MM                       02/29 TO 02/29

 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    02/29(00) TO 02/29(00)

SNOWFALL (INCHES)
RECORDS
 TOTAL           57.4   1989
 24 HR TOTAL       MM
 SNOW DEPTH        MM   MM
TOTALS           20.2              28.0    -7.8     15.7
 LIQUID EQUIV      MM                MM      MM       MM
SINCE 7/1        29.9              37.2    -7.3     16.9
 LIQUID 7/1        MM                MM      MM       MM
SNOWDEPTH AVG.      4                 6      -2        1
DAYS >= TRACE      59              27.0    32.0       39
DAYS >= 1.0         7               8.5    -1.5        5
GREATEST
 SNOW DEPTH         7   02/20                          5  02/29
                        02/18                             02/27
                        02/19                             02/28
 24 HR TOTAL      3.8   MM                       02/29 TO 02/29

 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    02/29(00) TO 02/29(00)

DEGREE_DAYS
HEATING TOTAL    4873              4951     -78     4144
 SINCE 7/1         MM              7150      MM       MM
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0

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

WIND (MPH)
AVERAGE WIND SPEED              10.7
RESULTANT WIND SPEED/DIRECTION   3/304
HIGHEST WIND SPEED/DIRECTION    43/340    DATE  02/18
HIGHEST GUST SPEED/DIRECTION    51/350    DATE  02/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             46
NUMBER OF DAYS CLOUDY         35

AVERAGE RH (PERCENT)     80

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          4     HAIL                       0
HEAVY SNOW                0     SNOW                       5
LIGHT SNOW               56     SLEET                      0
FOG                      59     FOG W/VIS <= 1/4 MILE     13
HAZE                     39

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

&&

THE METEOROLOGICAL WINTER MONTHS OF DECEMBER 2012 THROUGH FEBRUARY
2013 WERE JUST A TAD WARMER THAN MEDIAN AT THE GRAND FORKS AIRPORT.
THE MEAN 90 DAY TEMPERATURE OF 10.6 DEGREES WAS 0.6 ABOVE THE 1981 -
2010 NORMAL VALUE OF 10.0 FROM A STATISTICAL STANDPOINT THAT IS
PRETTY MUCH AS AVERAGE AS ONE WOULD EXPECT.

THE TOTAL SNOWFALL OF 20.2 INCHES WAS 7.8 INCHES BELOW THE 30 YEAR
MEDIAN VALUE OF 28 INCHES. THE SNOWDEPTH AVERAGED 4 INCHES THE PAST
THREE MONTHS WHICH IS ABOUT 2 INCHES LESS THAN THE MEDIAN VALUE IN
YEARS PAST.

59 DAYS SAW AT LEAST A TRACE OF SNOW FALL WHICH IS ABOUT DOUBLE THE
NORMAL. MOST OF THOSE DAYS THE SNOWFALL WAS PRETTY LIGHT.

THE TOTAL LIQUID PRECIPITATION THE PAST 90 DAYS WAS 1.10 INCHES
WHICH IS A LITTLE BELOW THE MEDIAN VALUE OF 1.68 INCHES.

THE AVERAGE WIND SPEED WAS 10.7 MPH AND THE STRONGEST GUST WAS 51
MPH FROM THE NORTH ON THE 18TH OF FEBRUARY.

REMEMBER...THIS DATA IS PROVISIONAL AND SUBJECT TO CHANGE. THE FINAL
AND OFFICIAL RECORDS WILL BE AVAILABLE FROM THE NATIONAL CLIMATIC
DATA CENTER.

$$

EWENS
National Weather Service Weather Forecast Office
