Climatological Report (Monthly) Issued by NWS
000
CXUS51 KGYX 011912
CLMAUG
PWMCLMAUG 000
TTAA00 GYX 011821
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
221 PM EDT SUN OCT 01 2023
...................................
...THE AUGUSTA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 96 09/09/2002
LOW 28 09/29/1980
09/28/1965
HIGHEST 90 09/05 85 5 84 09/10
09/07
09/12
LOWEST 45 09/28 38 7 37 09/30
AVG. MAXIMUM 74.5 70.9 3.6 70.9
AVG. MINIMUM 56.7 51.0 5.7 52.5
MEAN 65.6 61.0 4.6 61.7
DAYS MAX >= 90 2 0.5 1.5 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 11.29 1999
MINIMUM 0.59 2014
TOTALS 2.96 3.90 -0.94 3.88
DAILY AVG. 0.10 0.13 -0.03 0.13
DAYS >= .01 9 10.2 -1.2 9
DAYS >= .10 5 6.2 -1.2 5
DAYS >= .50 3 2.5 0.5 2
DAYS >= 1.00 0 1.1 -1.1 2
GREATEST
24 HR. TOTAL 1.48 09/18 TO 09/19
DEGREE DAYS
HEATING TOTAL 74 160 -86 136
SINCE 7/1 81 193 -112 137
COOLING TOTAL 100 38 62 45
SINCE 1/1 575 425 150 655
................................................................
WIND (MPH)
AVERAGE WIND SPEED 5.0
HIGHEST WIND SPEED/DIRECTION 35/330 DATE 09/16
HIGHEST GUST SPEED/DIRECTION 52/330 DATE 09/16
SKY COVER
AVERAGE SKY COVER 0.37
AVERAGE RH (PERCENT) 76
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 HEAVY RAIN 3
RAIN 5 LIGHT RAIN 8
FREEZING RAIN 0 LT FREEZING RAIN 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 FOG 21
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.
$$
AFTER A WET SUMMER IN THE AUGUSTA AREA, A BROAD AREA OF HIGH
PRESSURE BUILT INTO THE NORTHEAST DURING THE FIRST WEEK OF
SEPTEMBER. THIS HIGH PRESSURE BROUGHT THE DRIEST STRETCH OF WEATHER
THE AUGUSTA AREA HAD SEEN SINCE THE END OF MAY. ALONG WITH DRY
WEATHER, TEMPERATURES CLIMBED WELL ABOVE NORMAL DURING THE FIRST
WEEK OF SEPTEMBER, HITTING 90 TWICE, AND BREAKING A DAILY RECORD, ON
THE 5TH AND 7TH. IT WAS ALSO DURING THIS TIME THAT TROPICAL ACTIVITY
WAS INCREASING IN THE ATLANTIC BASIN. SOME FRONTAL SYSTEMS BROUGHT A
RETURN TO WET WEATHER DURING THE SECOND WEEK OF SEPTEMBER BEFORE
ATTENTION TURNED TO HURRICANE LEE THAT WAS TRACKING NORTHWARD
THROUGH THE WESTERN ATLANTIC. LEE MOVED INTO THE EASTERN GULF OF
MAINE ON THE 15TH AS A CATEGORY 1 HURRICANE AND TRANSITIONED TO A
POST TROPICAL SYSTEM ON THE 16TH AS IT TRACKED NORTHEASTWARD THROUGH
THE BAY OF FUNDY. THIS SYSTEM BROUGHT LITTLE IN THE WAY OF
PRECIPITATION TO THE AUGUSTA AREA BUT DID BRING A PEAK WIND GUST OF
52 MPH ON THE 16TH. THE MORE SIGNIFICANT RAIN EVENT OF THE MONTH
OCCURRED ON THE 18TH INTO THE 19TH WHEN LOW PRESSURE TRACKED ACROSS
CAPE COD INTO THE GULF OF MAINE BRINGING 1.48 INCHES OF RAIN. HIGH
PRESSURE BUILT INTO THE NORTHEAST DURING THE THIRD WEEK OF SEPTEMBER
AND DOMINATED THE WEATHER PATTERN THROUGH THE END OF THE MONTH.
THE AVERAGE TEMPERATURE FOR THE MONTH WAS 65.6, WHICH WAS 4.6
DEGREES ABOVE NORMAL AND THE THIRD WARMEST SEPTEMBER ON RECORD. THE
WARMEST WAS IN 1999 WHEN THE AVERAGE TEMPERATURE WAS 66.3 DEGREES.
THE COOLEST WAS 54.5 DEGREES IN 1956. THE FOLLOWING TABLE LISTS THE
WARMEST SEPTEMBERS ON RECORD AT AUGUSTA.
WARMEST AVERAGE TEMPERATURE IN SEPTEMBER (SINCE 1948)...
RANK TEMP YEAR
1 66.3 1999
2 65.8 1961
3 65.6 2023 <===
4 65.1 2015
5 64.9 2017
6 64.8 1983
7 64.2 2021
8 63.7 2016
9 63.6 1971
10 63.1 2002
A TOTAL OF 2.96 INCHES OF PRECIPITATION FELL, WHICH WAS 0.94 INCHES
BELOW NORMAL. THE HEAVIEST PRECIPITATION OCCURRED ON THE 18TH AND
19TH WHEN 1.48 INCHES OF RAIN FELL. THE DRIEST SEPTEMBER ON RECORD
WAS IN 2014 WHEN ONLY 0.59 INCHES OF PRECIPITATION FELL. THE WETTEST
WAS 11.29 INCHES IN 1999.
THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN SEPTEMBER 2023...
DATE RECORD PREVIOUS
SEP 5 90 - HIGHEST MAX TEMPERATURE 88 IN 1971 AND 1961
SEP 6 69 - WARMEST LOW TEMPERATURE 68 IN 1983 AND 1953
SEP 7 90 - HIGHEST MAX TEMPERATURE 90 IN 2007
$$
DS/SB