256  
CXUS55 KGGW 010942  
CLMGGW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GLASGOW, MT  
342 AM MDT THU MAY 01 2025  
   
...............................  
 
   
..THE GLASGOW MT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 93 04/26/1952  
LOW -19 04/01/1899  
HIGHEST 75 04/27 77  
LOWEST 15 04/04 18  
AVG. MAXIMUM 59.3 56.8 2.5 62.7  
AVG. MINIMUM 31.4 -1.4 35.7  
MEAN 45.3 44.8 0.5 49.2  
DAYS MAX >= 90 0 0  
DAYS MAX <= 32 0 0  
DAYS MIN <= 32 19 9  
DAYS MIN <= 0 0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 5.03 1940  
MINIMUM T 1949  
TOTALS 0.28 1.01 -0.73 0.80  
DAILY AVG. 0.01 0.03 -0.02 0.03  
DAYS >= .01 5 5  
DAYS >= .10 1  
DAYS >= .50 0 0  
DAYS >= 1.00 0 0  
GREATEST  
24 HR. TOTAL 0.12 04/03 TO 04/03  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 28.5 1896  
SNOW DEPTH 12 04/10/1995  
04/09/1995  
TOTALS T 2.5 -2.5 T  
LIQUID EQUIV T 0.20 -0.20 T  
SINCE 7/1 21.0 39.8 -18.8 MM  
LIQUID 7/1 2.10 3.90 -1.80 MM  
SNOWDEPTH AVG. 0 -1  
DAYS >= TRACE 3 4  
DAYS >= 1.0 0 0  
GREATEST  
SNOW DEPTH 0 MM 04/27  
04/02  
04/01  
24 HR TOTAL MM  
 
DEGREE DAYS  
HEATING TOTAL 581 607 -26 466  
SINCE 7/1 7173 7846 -673 MM  
COOLING TOTAL 0 0 0 0  
SINCE 1/1 0 0 0 MM    
............................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 10.6  
HIGHEST WIND SPEED/DIRECTION 38/030 DATE 04/28  
HIGHEST GUST SPEED/DIRECTION 50/310 DATE 04/21  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.39  
NUMBER OF DAYS FAIR 15  
NUMBER OF DAYS PC 10  
NUMBER OF DAYS CLOUDY 5  
 
AVERAGE RH (PERCENT) 55  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 1  
LIGHT RAIN 11 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 1 SNOW 1  
LIGHT SNOW 3 SLEET 0  
FOG 4 FOG W/VIS <= 1/4 MILE 2  
HAZE 1  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
 
APRIL WAS A MONTH OF NEAR NORMAL TEMPERATURES AND BELOW NORMAL  
PRECIPITATION. THE AVERAGE TEMPERATURE WAS 45.3 DEGREES WHICH WAS  
0.5 DEGREES ABOVE NORMAL. THE HIGH FOR THE MONTH WAS 75 ON THE  
27TH. THE LOW FOR THE MONTH WAS 15 ON THE 4TH.  
 
PRECIPITATION WAS WELL BELOW NORMAL WITH 0.28 INCHES AND A TRACE OF  
SNOWFALL. MOST OF PRECIPITATION FOR THE MONTH TOTAL FELL ON THE 3RD,  
12TH AND 13TH. NORMAL PRECIPITATION FOR APRIL IS 1.01 INCHES. IT WAS  
THE DRIEST APRIL SINCE 1984 WHEN ONLY 0.10 INCHES FELL.  
 
THE PEAK WIND SPEED FOR THE MONTH WAS 50 MPH ON THE 21ST. THERE WERE  
ALSO PEAK WINDS OF 49 MPH ON THE 28TH, 47 MPH ON THE 9TH AND 45 MPH  
ON THE 13TH. THE WINDIEST DAY WAS ON THE 28TH WITH AN AVERAGE WIND  
SPEED OF 16.4 MPH.  
 
LOOKING AHEAD TO MAY, THE NORMAL HIGH STARTS AT 63 ON THE 1ST AND  
WARMS TO 72 AT THE END OF THE MONTH. THE NORMAL LOW BEGINS AT 37 ON  
THE 1ST AND WARMS TO 49 BY THE END OF THE MONTH. NORMAL  
PRECIPITATION FOR MAY IS 2.22 INCHES.  
 
 
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