National Weather Service Weather Forecast Office

...THE GRAND FORKS UNIV. (NWS) CLIMATE SUMMARY FOR THE MONTH OF APRIL 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1890 TO 2013

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            72   04/27        55      17                       
LOWEST              9   04/01        32     -23                       
AVG. MAXIMUM     40.1              54.8   -14.7                       
AVG. MINIMUM     24.6              32.0    -7.4                       
MEAN             32.3              43.4   -11.1                       
DAYS MAX >= 90      0               0.1    -0.1                       
DAYS MAX <= 32      7               1.2     5.8                       
DAYS MIN <= 32     28              16.4    11.6                       
DAYS MIN <= 0       0               0.0     0.0                       

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.48   1898                                          
 MINIMUM         0.00   MM                                            
TOTALS           1.49              0.98    0.51                       
DAILY AVG.       0.05              0.03    0.02                       
DAYS >= .01        11               6.4     4.6                       
DAYS >= .10         4               2.8     1.2                       
DAYS >= .50         1               0.5     0.5                       
DAYS >= 1.00        0               0.1    -0.1                       
GREATEST
 24 HR. TOTAL    0.72   04/30 TO 04/30              0.48              
 STORM TOTAL       MM                                 MM              
 (MM/DD(HH))            MM                                            

SNOWFALL (INCHES)
RECORDS
 TOTAL           12.6   1894                                          
TOTALS            6.7               1.6     5.1                       
 LIQUID EQUIV    0.67              0.20    0.47                       
SINCE 7/1        59.5              43.3    16.2                       
 LIQUID 7/1      5.95                                                 
DAYS >= TRACE      12               1.1    10.9                       
DAYS >= 1.0         3               0.5     2.5                       
GREATEST
 SNOW DEPTH         7   04/03                                         
                        04/02                                         
                        04/01                                         

DEGREE_DAYS
HEATING TOTAL     971               649     322                       
 SINCE 7/1       9494              8815     679                       
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              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW               11     SLEET                      1
FOG                       3     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.                                          

&&

REMARKS...

APRIL 2013 WAS COLD AND WET AT THE GRAND FORKS UNIVERSITY CLIMATE 
STATION. THE AVERAGE TEMPERATURE FOR THE MONTH WAS 32.3 
DEGREES...WHICH IS 11.1 DEGREES BELOW NORMAL. THIS IS THE 2ND 
COLDEST APRIL ON RECORD. THE MINIMUM TEMPERATURE ON APRIL 20TH WAS 
18 DEGREES...WHICH TIED THE RECORD LOW LAST SET IN 1938. 

TOTAL SNOWFALL FOR THE MONTH WAS 6.7 INCHES. TOTAL LIQUID 
PRECIPITATION FOR THE MONTH WAS 1.49 INCHES...WHICH IS 0.51 INCHES 
ABOVE NORMAL.    

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

$$