Climatological Report (Monthly)
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
660
CXUS55 KGGW 020437
CLMGGW
CLIMATE REPORT
NATIONAL WEATHER SERVICE GLASGOW, MT
1002 PM MDT MON JUN 01 2026
...................................
...THE GLASGOW MT CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 102 05/29/1988
05/18/1948
LOW 15 05/06/1929
HIGHEST 98 05/26 91
LOWEST 21 05/06 34
AVG. MAXIMUM 72.3 67.7 4.6 71.3
AVG. MINIMUM 42.9 -0.4 45.1
MEAN 57.6 55.5 2.1 58.2
DAYS MAX >= 90 5 1
DAYS MAX <= 32 0 0
DAYS MIN <= 32 4 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 6.97 2011
MINIMUM 0.03 1958
TOTALS 2.22 2.22 0.00 1.43
DAILY AVG. 0.07 0.07 -0.00 0.05
DAYS >= .01 12 9
DAYS >= .10 5
DAYS >= .50 2 0
DAYS >= 1.00 0 0
GREATEST
24 HR. TOTAL 1.07 05/30 TO 05/31
SNOWFALL (INCHES)
RECORDS
TOTAL 10.7 1983
SNOW DEPTH 10 05/13/1983
TOTALS T 0.9 -0.9 0.0
SINCE 7/1 39.9 40.7 -0.8 MM
SNOWDEPTH AVG. 0 0
DAYS >= TRACE 1 0
DAYS >= 1.0 0 0
GREATEST
SNOW DEPTH 0 0 MM
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 297 310 -13 235
SINCE 7/1 7370 8157 -787 MM
COOLING TOTAL 74 16 58 29
SINCE 1/1 74 16 58 MM
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WIND (MPH)
AVERAGE WIND SPEED 13.0
HIGHEST WIND SPEED/DIRECTION 53/280 DATE 05/14
HIGHEST GUST SPEED/DIRECTION 82/270 DATE 05/14
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.29
NUMBER OF DAYS FAIR 19
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 52
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 4
LIGHT RAIN 14 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 0
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
MAY WAS A SLIGHTLY WARMER THAN NORMAL MONTH FOR GLASGOW. THE AVERAGE
TEMPERATURE WAS 57.6 DEGREES WHICH WAS 2.1 DEGREES ABOVE NORMAL. THE
HIGH FOR THE MONTH WAS 98 DEGREES ON THE 26TH AND THE LOW FOR THE
MONTH WAS 21 ON THE 6TH. THERE WERE 5 DAYS WITH HIGH TEMPERATURES
ABOVE 90 DEGREES AND A HIGH OF 96 ON THE 28TH WHICH TIED THE RECORD.
PRECIPITATION FOR THE MONTH CAME IN AT EXACTLY NORMAL WITH 2.22
INCHES. THERE WERE TWO DAYS WITH OVER A HALF INCH OF PRECIPITATION.
A TOTAL OF 0.72 INCHES FELL ON THE 30TH FOLLOWED BY 0.85 INCHES ON
THE 31ST. IN ADDITION, A TRACE OF SNOW OCCURRED ON THE 18TH.
MAY 2026 WILL BE REMEMBERED AS A PARTICULARLY WINDY MONTH. A PEAK
GUST OCCURRED ON THE 14TH AT 82 MPH. THE HIGHEST SUSTAINED WIND
SPEED OCCURRED ON THE 14TH AS WELL AT 53 MPH. THE AVERAGE WIND SPEED
ON THAT DAY WAS 30.5 MPH. THE RUNNER UP WAS THE 13TH WHICH SAW A
GUST OF 69 MPH. THERE WERE A TOTAL OF 5 DAYS WITH A PEAK WIND GUST
AT OR ABOVE 50 MPH.
LOOKING AHEAD TO THE MONTH OF JUNE, THE NORMAL HIGH BEGINS AT 72
DEGREES AND ENDS AT 80 DEGREES BY THE END OF THE MONTH. THE NORMAL
LOW IS 46 AS JUNE BEGINS, WARMING TO 55 DEGREES BY THE END OF THE
MONTH. NORMAL PRECIPITATION FOR THE MONTH OF JUNE IS 2.75 INCHES.
$$