Climatological Report (Annual)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
352
CXUS51 KGYX 030923
CLAPWM
PWMCLAPWM 000
TTAA00 GYX 030228
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
927 PM EST THU JAN 02 2025
...................................
...THE PORTLAND ME CLIMATE SUMMARY FOR THE YEAR OF 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1941 TO 2024 (FOR TEMPERATURES)
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 -39 02/16/1943
HIGHEST 94 06/20 93 1 89 05/28
07/12
LOWEST 5 12/23 -10 15 -14 02/04
AVG. MAXIMUM 57.8 56.4 1.4 57.1
AVG. MINIMUM 40.3 38.6 1.7 40.4
MEAN 49.1 47.5 1.6 48.8
DAYS MAX >= 90 4 5.1 -1.1 0
DAYS MAX <= 32 28 40.7 -12.7 21
DAYS MIN <= 32 131 144.1 -13.1 136
DAYS MIN <= 0 0 6.7 -6.7 3
PRECIPITATION (INCHES)
RECORD
MAXIMUM 66.45 2005
MINIMUM 25.27 1941
TOTALS 47.55 48.12 -0.57 56.67
DAILY AVG. 0.13 0.13 -0.00 0.16
DAYS >= .01 118 131.4 -13.4 141
DAYS >= .10 82 80.0 2.0 85
DAYS >= .50 28 30.9 -2.9 39
DAYS >= 1.00 14 11.9 2.1 18
GREATEST
24 HR. TOTAL 2.69 01/09 TO 01/10
SNOWFALL (INCHES)
RECORDS
TOTAL 150.1 1956
TOTALS 43.3 68.7 -25.4 52.5
SINCE 7/1 6.0 17.1 -11.1 0.7
SNOWDEPTH AVG. 0
DAYS >= TRACE 37 28.6 8.4 48
DAYS >= 1.0 9 16.4 -7.4 10
GREATEST
SNOW DEPTH 11 01/08
24 HR TOTAL 12.8 01/07
DEGREE DAYS
HEATING TOTAL 6226 6795 -569 6197
SINCE 7/1 2288 2451 -163 2182
COOLING TOTAL 522 447 75 423
FREEZE DATES
RECORD
EARLIEST 09/14/1963
LATEST 05/31/1961
EARLIEST 10/17
LATEST 04/27
................................................................
WIND (MPH)
AVERAGE WIND SPEED 7.1
HIGHEST WIND SPEED/DIRECTION 38/290 DATE 01/10
HIGHEST GUST SPEED/DIRECTION 63/130 DATE 01/10
SKY COVER
AVERAGE SKY COVER 0.52
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 20 HEAVY RAIN 28
RAIN 55 LIGHT RAIN 128
FREEZING RAIN 2 LT FREEZING RAIN 6
HEAVY SNOW 3 SNOW 11
LIGHT SNOW 35 FOG 153
FOG W/VIS <= 1/4 MILE 33 HAZE 12
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
THE AVERAGE TEMPERATURE FOR THE YEAR WAS 49.1 DEGREES, WHICH WAS 1.6
DEGREES ABOVE NORMAL AND WAS THE FOURTH WARMEST YEAR ON RECORD.
THE WARMEST YEAR ON RECORD WAS 2020 WHEN THE AVERAGE TEMPERATURE WAS
49.4 DEGREES. THE COOLEST YEAR ON RECORD WAS IN 1962 WHEN THE
AVERAGE TEMPERATURE WAS 43.3 DEGREES. THE FOLLOWING TABLE LISTS THE
WARMEST YEARS ON RECORD AT PORTLAND.
WARMEST ANNUAL AVERAGE TEMPERATURE (SINCE 1941).
RANK AVE YEAR
1 49.4 2020
2 49.2 2012
49.2 2010
4 49.1 2024 <===
5 48.8 2023
48.8 2021
7 48.5 2016
48.5 2006
9 48.3 1998
10 48.2 2022
A TOTAL OF 47.55 INCHES OF PRECIPITATION FELL, WHICH WAS 0.57 INCHES
BELOW NORMAL. THE DRIEST YEAR ON RECORD WAS IN 1941 WHEN 25.28
INCHES OF PRECIPITATION FELL. THE WETTEST YEAR ON RECORD WAS IN 2005
WHEN 66.40 INCHES OF PRECIPITATION FELL.
A TOTAL OF 43.3 INCHES OF SNOW FELL, WHICH WAS 25.4 INCHES BELOW
NORMAL. THE LEAST SNOWY YEAR ON RECORD WAS 1973 WHEN ONLY 27.5
INCHES FELL. THE SNOWIEST YEAR ON RECORD WAS 1956 WHEN 150.1 INCHES
FELL.
$$
DS