Climatological Report (Monthly)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
000
CXUS51 KGYX 030304
CLMCON
PWMCLMCON 000
TTAA00 GYX 011103
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
703 AM EDT FRI SEP 01 2023
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...THE CONCORD NH CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1868 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 101 08/02/1975
LOW 29 08/31/1965
HIGHEST 85 08/13 92 -7 98 08/04
08/21
08/30
LOWEST 45 08/02 42 3 49 08/16
AVG. MAXIMUM 78.8 81.7 -2.9 86.4
AVG. MINIMUM 56.4 57.2 -0.8 60.6
MEAN 67.6 69.5 -1.9 73.5
DAYS MAX >= 90 0 3.5 -3.5 14
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 10.67 2018
MINIMUM 0.06 1996
TOTALS 4.49 3.63 0.86 3.54
DAILY AVG. 0.14 0.12 0.02 0.11
DAYS >= .01 10 9.9 0.1 7
DAYS >= .10 8 6.2 1.8 6
DAYS >= .50 4 2.3 1.7 3
DAYS >= 1.00 1 1.1 -0.1 0
GREATEST
24 HR. TOTAL 1.25 08/08
SNOWFALL (INCHES)
RECORDS
TOTAL 0.0
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
DEGREE DAYS
HEATING TOTAL 17 21 -4 0
SINCE 7/1 18 29 -11 2
COOLING TOTAL 106 159 -53 274
SINCE 1/1 468 475 -7 617
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WIND (MPH)
AVERAGE WIND SPEED 4.7
HIGHEST WIND SPEED/DIRECTION 26/300 DATE 08/09
HIGHEST GUST SPEED/DIRECTION 36/310 DATE 08/09
SKY COVER
AVERAGE SKY COVER 0.45
AVERAGE RH (PERCENT) 76
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 HEAVY RAIN 4
RAIN 6 LIGHT RAIN 13
FREEZING RAIN 0 LT FREEZING RAIN 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 FOG 18
FOG W/VIS <= 1/4 MILE 4 HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
SIMILAR TO JUNE AND JULY A TROUGH OF LOW PRESSURE CONTINUED TO
DOMINATE THE NORTHEAST US THROUGH MUCH OF AUGUST. THIS TROUGH OF LOW
PRESSURE CONTINUED THE THEME FOR UNSETTLED WEATHER IN NEW HAMPSHIRE.
DURING THE FIRST HALF OF THE MONTH THE NAO REMAINED NEGATIVE WHILE
THE PNA REMAINED POSITIVE WITH THESE TELECONNECTIONS FAVORING A
TROUGH JUST WEST OF NEW ENGLAND. THE NAO DID TREND TOWARDS NEUTRAL
AT TIMES, WHICH ALLOWED THE TROUGH AXIS TO SHIFT NEAR OVERHEAD OF
THE CONCORD AREA AND SOMETIMES EAST OF NEW ENGLAND. THIS EASTWARD
SHIFT OF THE TROUGH AXIS ALLOWED FOR COOL AND DRY HIGH PRESSURE
SYSTEMS TO BUILD INTO THE AREA BRINGING PERIODS OF DRY WEATHER WITH
TEMPERATURES TRENDING BELOW NORMAL. TOWARDS THE END OF THE MONTH,
TROPICAL ACTIVITY INCREASED IN THE ATLANTIC BASIN WITH TROPICAL
STORMS TRACKING OFFSHORE OF THE EAST COAST. A SERIES OF FRONTAL
SYSTEMS THAT CROSSED FROM THE WEST HELPED TO PUSH THESE SYSTEM
OFFSHORE WHILE AREA BEACHES DID SEE INCREASED SWELLS.
THE AVERAGE TEMPERATURE FOR THE MONTH WAS 67.6 DEGREES, WHICH WAS
1.9 DEGREES BELOW NORMAL. THE COOLEST AUGUST ON RECORD WAS IN 1903
WHEN THE AVERAGE TEMPERATURE WAS 61.1 DEGREES. THE WARMEST WAS 73.5
DEGREES IN 2022.
A TOTAL OF 4.49 INCHES OF RAIN FELL, WHICH WAS 0.86 INCHES ABOVE
NORMAL. THE HEAVIEST RAIN FELL FROM THUNDERSTORMS ON THE 8TH WHEN
1.25 INCHES WAS MEASURED. THE WETTEST AUGUST ON RECORD WAS IN 2018
WHEN 10.67 INCHES OF PRECIPITATION FELL. THE DRIEST WAS 0.06 INCHES
IN 1906.
NO RECORDS WERE SET OR TIED IN THE MONTH OF AUGUST AT CONCORD.
$$
DS