Climatological Report (Monthly)
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
000 CXUS55 KGGW 010935 CLMGGW CLIMATE REPORT NATIONAL WEATHER SERVICE GLASGOW, MT 331 AM MDT SUN OCT 01 2023 ................................... ...THE GLASGOW MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1893 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 106 09/07/2022 LOW 14 09/25/1928 HIGHEST 98 09/02 106 LOWEST 42 09/15 34 AVG. MAXIMUM 79.2 72.9 6.3 81.6 AVG. MINIMUM 52.4 5.5 50.2 MEAN 65.8 59.9 5.9 65.9 DAYS MAX >= 90 3 5 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 0 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 4.72 1938 MINIMUM 0.00 1899 TOTALS 0.71 1.06 -0.35 0.11 DAILY AVG. 0.02 0.04 -0.02 0.00 DAYS >= .01 8 2 DAYS >= .10 4 DAYS >= .50 0 0 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.24 09/08 TO 09/08 SNOWFALL (INCHES) RECORDS TOTAL 4.6 1926 SNOW DEPTH 2 09/24/1984 TOTALS 0.0 0.0 0.0 0.0 LIQUID EQUIV 0.00 0.00 0.00 0.00 SINCE 7/1 0.0 0.0 0.0 MM LIQUID 7/1 0.00 0.00 0.00 MM SNOWDEPTH AVG. 0 0 DAYS >= TRACE 0 0 DAYS >= 1.0 0 0 GREATEST SNOW DEPTH 0 0 MM 24 HR TOTAL 0.0 DEGREE DAYS HEATING TOTAL 49 200 -151 85 SINCE 7/1 62 244 -182 MM COOLING TOTAL 78 47 31 121 SINCE 1/1 830 582 248 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 10.6 HIGHEST WIND SPEED/DIRECTION 32/220 DATE 09/03 HIGHEST GUST SPEED/DIRECTION 48/220 DATE 09/03 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.29 NUMBER OF DAYS FAIR 20 NUMBER OF DAYS PC 7 NUMBER OF DAYS CLOUDY 3 AVERAGE RH (PERCENT) 54 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 4 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 3 LIGHT RAIN 11 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 5 FOG W/VIS <= 1/4 MILE 0 HAZE 6 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && SEPTEMBER WAS MUCH WARMER THAN NORMAL, WITH AN AVERAGE TEMPERATURE OF 65.8 DEGREES OR 5.9 DEGREES ABOVE NORMAL. THIS TIES 1998 FOR THE SECOND WARMEST SEPTEMBER, BEHIND 2022 WHICH AVERAGED 65.9 DEGREES. THE AVERAGE HIGH TEMPERATURE OF 79.2 DEGREES RANKS AS THE 11TH WARMEST. THERE WERE 3 DAYS WHERE THE TEMPERATURE TOPPED OUT ABOVE 90 DEGREES, WITH THE WARMEST READING OF 98 OCCURRING ON THE 2ND. THE AVERAGE LOW TEMPERATURE OF 52.4 DEGREES WAS THE WARMEST ON RECORD FOR SEPTEMBER. WITH THE LOWEST TEMPERATURE OF THE MONTH ONLY REACHING 42 DEGREES ON THE 15TH, THIS MARKS ONLY THE SECOND TIME THE LOW DID NOT DROP BELOW 40 DEGREES IN SEPTEMBER. THE OTHER YEAR WAS 2001 WITH A LOW TEMPERATURE OF 41 DEGREES. PRECIPITATION FOR THE MONTH WAS 0.71 INCHES, WHICH WAS BELOW THE NORMAL OF 1.06 INCHES. THERE WERE 8 DAYS WITH MEASURABLE PRECIPITATION INCLUDING 4 DAYS WITH MORE THAN A TENTH OF AN INCH OF PRECIPITATION. THERE WERE ALSO 4 DAYS WITH JUST A TRACE OF PRECIPITATION, ALONG WITH 5 DAYS OF FOG. THE PEAK WIND GUST FOR THE MONTH WAS 48 MPH ON THE 3RD. THERE WAS ALSO A PEAK WIND GUST OF 43 MPH ON THE 30TH. THE AVERAGE WIND SPEED FOR THE MONTH WAS 10.6 MPH. LOOKING AHEAD TO OCTOBER, THE NORMAL HIGH STARTS WITH 65 ON THE 1ST AND COOLS TO 48 BY THE END OF THE MONTH. THE NORMAL LOW STARTS AT 41 AND COOLS TO 27 BY THE END OF THE MONTH. NORMAL PRECIPITATION FOR OCTOBER IS 0.92 INCHES. THE CLIMATE PREDICTION CENTER IS CALLING FOR ABOVE NORMAL TEMPERATURES AND EQUAL CHANCES FOR PRECIPITATION. $$