CXUS51 KGYX 020216 CLSPWM PWMCLSPWM 000 TTAA00 GYX 020123 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 923 PM EDT SUN SEP 01 2024 ................................... ...THE PORTLAND ME CLIMATE SUMMARY FOR THE SUMMER SEASON, FROM 6/1/2024 TO 8/31/2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1941 TO 2024 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 103 08/02/1975 LOW 33 08/31/1965 06/04/1944 HIGHEST 94 06/20 93 1 89 07/12 LOWEST 45 06/02 42 3 43 06/04 AVG. MAXIMUM 78.2 77.3 0.9 74.4 AVG. MINIMUM 60.1 58.6 1.5 59.0 MEAN 69.1 68.0 1.1 66.7 DAYS MAX >= 90 4 4.2 -0.2 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 22.31 2009 MINIMUM 4.10 1999 TOTALS 10.10 11.15 -1.05 17.23 DAILY AVG. 0.11 0.12 -0.01 0.19 DAYS >= .01 36 31.9 4.1 46 DAYS >= .10 23 18.8 4.2 26 DAYS >= .50 8 6.7 1.3 12 DAYS >= 1.00 2 2.6 -0.6 5 GREATEST 24 HR. TOTAL 1.32 08/03 SNOWFALL (INCHES) RECORDS TOTAL 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 0 DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 24 HR TOTAL 0.0 DEGREE DAYS HEATING TOTAL 70 115 -45 155 SINCE 7/1 18 21 -3 19 COOLING TOTAL 476 390 86 336 SINCE 1/1 496 401 95 342 ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.0 HIGHEST WIND SPEED/DIRECTION 35/320 DATE 06/20 HIGHEST GUST SPEED/DIRECTION 48/320 DATE 06/20 SKY COVER AVERAGE SKY COVER 0.49 AVERAGE RH (PERCENT) 77 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 18 HEAVY RAIN 11 RAIN 16 LIGHT RAIN 45 FREEZING RAIN 0 LT FREEZING RAIN 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 FOG 45 FOG W/VIS <= 1/4 MILE 10 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. THE AVERAGE TEMPERATURE FOR THE SUMMER WAS 69.1 DEGREES, WHICH WAS 1.1 DEGREES ABOVE NORMAL AND TIES WITH 2022 FOR THE SECOND WARMEST SUMMER ON RECORD. THE WARMEST SUMMER ON RECORD WAS IN 2020 WHEN THE AVERAGE TEMPERATURE WAS 70.5 DEGREES. THE COOLEST SUMMER WAS IN 1964, 1962, AND 1954 WHEN THE AVERAGE TEMPERATURE WAS 63.7 DEGREES. THE FOLLOWING TABLE LISTS THE WARMEST SUMMERS ON RECORD AT PORTLAND. WARMEST AVERAGE TEMPERATURE IN SUMMER (SINCE 1941)... RANK TEMP YEAR 1 70.5 2020 2 69.1 2024 <=== 69.1 2022 4 69.0 2021 5 68.9 2018 68.9 2016 7 68.7 2010 68.7 1988 9 68.5 1973 10 68.4 2012 68.4 1999 68.4 1991 A TOTAL OF 10.10 INCHES OF PRECIPITATION FELL, WHICH WAS 1.05 INCHES BELOW NORMAL. THE DRIEST SUMMER ON RECORD WAS IN 1999 WHEN ONLY 4.10 INCHES OF PRECIPITATION FELL. THE WETTEST WAS 22.31 INCHES IN 2009. THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN SUMMER 2024... DATE RECORD PREVIOUS JUNE 20 94 - WARMEST HIGH TEMPERATURE - 93 IN 2020 AND OTHERS JUNE 20 71 - WARMEST LOW TEMPERATURE - 69 IN 2020 JUNE 20 83 - WARMEST AVERAGE TEMPERATURE - 81 IN 2020 JUNE 21 65 - WARMEST LOW TEMPERATURE - 64 IN 2012 JULY 10 70 - WARMEST LOW TEMPERATURE - 68 IN 2010 AND OTHERS JULY 11 68 - WARMEST LOW TEMPERATURE - 68 IN 2020 (TIED) JULY 13 67 - WARMEST LOW TEMPERATURE - 67 IN 2020 AND OTHERS (TIED) JULY 15 92 - WARMEST HIGH TEMPERATURE - 92 IN 1952 (TIED) JULY 23 1.25 - GREATEST PRECIPITATION - 1.11 IN 1876 AUG 3 70 - WARMEST LOW TEMPERATURE - 70 IN 2020 AND OTHERS (TIED) $$ DS