Climatological Report (Monthly)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
190 CXUS51 KGYX 020948 CLMPWM PWMCLMPWM 000 TTAA00 GYX 020941 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 541 AM EDT WED OCT 02 2024 ................................... ...THE PORTLAND ME CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1941 TO 2024 (FOR TEMPERATURE) CLIMATE RECORD PERIOD: 1871 TO 2024 (FOR PRECIPITATION) CLIMATE RECORD PERIOD: 1882 TO 2024 (FOR SNOWFALL) WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 95 09/11/1983 09/07/1945 LOW 23 09/30/1941 HIGHEST 83 09/17 86 -3 88 09/05 LOWEST 43 09/11 37 6 43 09/27 09/29 AVG. MAXIMUM 72.3 71.1 1.2 72.8 AVG. MINIMUM 51.9 52.1 -0.2 55.4 MEAN 62.1 61.6 0.5 64.1 DAYS MAX >= 90 0 0.5 -0.5 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.1 -0.1 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 10.84 2008 MINIMUM 0.30 1948 TOTALS 1.93 3.77 -1.84 4.91 DAILY AVG. 0.06 0.13 -0.07 0.16 DAYS >= .01 4 9.3 -5.3 8 DAYS >= .10 2 5.3 -3.3 6 DAYS >= .50 1 2.3 -1.3 3 DAYS >= 1.00 1 1.0 0.0 1 GREATEST 24 HR. TOTAL 1.77 09/26 SNOWFALL (INCHES) RECORDS TOTAL T 1992 TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.0 0.0 0.0 0.0 SNOWDEPTH AVG. 0 DAYS >= TRACE 0 0.0 0.0 DAYS >= 1.0 0 0.0 0.0 GREATEST SNOW DEPTH 0 24 HR TOTAL 0 DEGREE DAYS HEATING TOTAL 100 145 -45 100 SINCE 7/1 118 173 -55 119 COOLING TOTAL 21 43 -22 80 SINCE 1/1 517 444 73 422 ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.5 HIGHEST WIND SPEED/DIRECTION 24/280 DATE 09/08 HIGHEST GUST SPEED/DIRECTION 35/280 DATE 09/08 SKY COVER AVERAGE SKY COVER 0.42 AVERAGE RH (PERCENT) 76 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 HEAVY RAIN 1 RAIN 1 LIGHT RAIN 7 FREEZING RAIN 0 LT FREEZING RAIN 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 FOG 8 FOG W/VIS <= 1/4 MILE 3 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && NO RECORDS WERE SET OR TIED DURING THE MONTH OF SEPTEMBER. $$