May notes...
Through the 27th May was in challenging the warmest May but the real story was precipitation...
Including the 0.04" we received on the 29th the total rain for the month was 0.37". This would not only be the lowest May total in my records but the lowest monthly total. That record is held by January, 2004 with a total of 0.46". The rainfall received on the 30th and 31st was 1.37".
For average temperature this month looked to come in about 2-2.5° above average but the final weekend set three cold records and lowered the average temp by 1.12°.
Daily Records summary:
Three record highs were set, along with one record low ( a tie with 2019 on 5/29). Two records were set for coldest high temp but no records were set for warmest low temp.
2021 temperature records stand at eleven record highs and three record lows. Four records have been set for coldest high temps, with seven days setting a record for warmest low temp.
Summary 2021 total: 18 warm records and 7 cold records.
The 20 year average temp through the end of May is 35.29°. The average temp this year through May is 37.57°. At this point the year is 2.28° warmer.
May rankings (out of 24):
High Temp: 8th
Low Temp: 10th
Avg Temp: 9th
Precip: 17th
Snow: --
Wind: 23rd
Humidity: 23rd
Dew Point: 22nd
Heat Deg: 19th
Cool Deg: 15th
Barometer: 7th out of 21
Liberty, Maine weather data for...
May, 2021
Daily Data
High Temp 89.0° (5/26)
Low Temp 38.2° (5/7)
Top Rain Storm 1.37" (5/30-31)
High Wind Gust 25 mph (5/2)
Low Windchill 36° (5/7)
High Dew Point 64.5° (5/22)
Low Dew Point 18.3° (5/3)
Barometer H/L 1031.0/991.1mb
Precipitation Days 10
2021 Averages
High Temp 67.11°
Low Temp 45.68°
Avg. Temp 56.40°
Precip. 1.74”
Snow --
High Wind Gust 17.29 mph
Humidity 59.61%
Dew Point 39.09°
Degree Days 259.85
Cooling Deg Days 9.75
Barometer 1014.16 mb
Red= record high since 1998
Blue= record low since 1998
Difference from 2020
High Temp +1.23°
Low Temp +1.96°
Avg. Temp +1.60°
Precip. -0.16”
Snow -3.00”
High Gust -3.06 mph
Humidity -0.66%
Dew Point +1.62°
Degree Days -87.8
Cooling Days -21.65
Barometer +1.76 mb
20 Year Avg.
High Temp 64.91°
Low Temp 45.59°
Avg. Temp 55.25°
Precip. 3.45”
Snow 0.00”
High Gust 20.08 mph
Humidity 69.49%
Dew Point 42.97°
Degree Days 311.81
Cooling Days 14.62
Barometer 1012.48
(avg 1998-2017)
2021 Vs. Average
High Temp +2.21°
Low Temp +0.09°
Avg. Temp +1.15°
Precip. -1.71”
Snow 0”
High Gust -2.79 mph
Humidity -9.88%
Dew Point +3.88°
Degree Days -51.96
Cooling Days -4.87
Barometer +1.68mb
Difference from last month (Apr 2021)
High Temp +10.58°
Low Temp +9.14°
Avg. Temp +9.87°
Precip. -1.68”
Snow -4.00”
High Gust -2.88 mph
Humidity -4.91%
Dew Point +6.23°
H Degree Days -294.15
C Deg Days +9.75
Barometer +6.23mb
Precipitation Days same
Season snowfall amounts:
(Highest to Lowest)
'14-'15 148.25"
'07-'08 135.90"
'00-'01 126.98"
'10-'11 125.10"
’17-’18 108.15"
’12-’13 100.70"
’18-’19 96.70"
’16-’17 93.65 "
'08-'09 90.25"
'01-'02 85.15"
’13-’14 82.95"
'06-'07 82.65"
'03-'04 78.75"
'98-'99 78.65"
'09-'10 78.45"
'02-'03 74.00"
’19-’20 73.85"
’11-’12 68.70"
'99-'00 64.90"
’20-’21 55.55"
'05-'06 50.35"
’15-’16 50.10"
'04-'05 44.77"
22 season average: 88.14"
May 9th snowstorm.
Waiting for image, if I do not use one of my own.
I have not checked for typos yet, but getting it posted now while time allows.