Climatological Report (Monthly) Issued by NWS Portland, ME
000
CXUS51 KGYX 042108
CLMCON
PWMCLMCON 000
TTAA00 GYX 032101
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
500 PM EDT MON APR 03 2023
...................................
...THE CONCORD NH CLIMATE SUMMARY FOR THE MONTH OF MARCH 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 89 03/31/1998
LOW -20 03/06/1869
HIGHEST 56 03/21 67 -11 72 03/18
LOWEST 14 03/01 0 14 3 03/05
AVG. MAXIMUM 44.3 43.6 0.7 46.9
AVG. MINIMUM 25.5 23.3 2.2 25.2
MEAN 34.9 33.4 1.5 36.1
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 4.1 -4.1 4
DAYS MIN <= 32 29 26.7 2.3 21
DAYS MIN <= 0 0 1.1 -1.1 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.80 1936
MINIMUM T 1915
TOTALS 4.30 3.28 1.02 3.50
DAILY AVG. 0.14 0.11 0.03 0.11
DAYS >= .01 11 11.5 -0.5 12
DAYS >= .10 8 6.7 1.3 9
DAYS >= .50 2 2.2 -0.2 2
DAYS >= 1.00 1 0.6 0.4 0
GREATEST
24 HR. TOTAL 1.83 03/13 TO 03/14
SNOWFALL (INCHES)
RECORDS
TOTAL 38.3 1956
TOTALS 20.4 13.6 6.8 7.9
SINCE 7/1 64.5 65.2 -0.7 44.6
SNOWDEPTH AVG. 11
DAYS >= TRACE 12 5.2 6.8 8
DAYS >= 1.0 3 3.0 0.0 3
GREATEST
SNOW DEPTH 17 03/15
24 HR TOTAL 10.0 03/14
DEGREE DAYS
HEATING TOTAL 923 978 -55 888
SINCE 7/1 5383 6041 -658 5603
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 0
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WIND (MPH)
AVERAGE WIND SPEED 9.3
HIGHEST WIND SPEED/DIRECTION 37/340 DATE 03/15
HIGHEST GUST SPEED/DIRECTION 57/350 DATE 03/15
SKY COVER
AVERAGE SKY COVER 0.47
AVERAGE RH (PERCENT) 68
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 HEAVY RAIN 0
RAIN 1 LIGHT RAIN 8
FREEZING RAIN 0 LT FREEZING RAIN 0
HEAVY SNOW 2 SNOW 3
LIGHT SNOW 12 FOG 11
FOG W/VIS <= 1/4 MILE 5 HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
THE SNOWY PATTERN THAT SET IN AT THE END OF FEBRUARY CONTINUED INTO
THE FIRST WEEK OF MARCH. THIS PATTERN WAS ASSOCIATED WITH THE
NEGATIVE PHASE OF THE NAO THAT HELPED TO KEEP LOW PRESSURE SYSTEMS
FROM TRACKING TO THE WEST OF NEW ENGLAND. INSTEAD, LOW PRESSURE
SYSTEMS TRACKED FROM THE MID MISSISSIPPI VALLEY ACROSS SOUTHERN NEW
ENGLAND KEEPING THE CONCORD AREA ON THE COLDER AND SNOWIER SIDE OF
THE SYSTEMS. AS ONE SYSTEM EXITED ON THE 1ST ANOTHER WEAK SYSTEM
CROSSED ON THE 2ND BRINGING LIGHT SNOW. A MORE SIGNIFICANT SYSTEM
TRACKED ALONG THE SOUTHERN NEW ENGLAND COASTLINE ON THE 4TH THAT
BROUGHT 7.5 INCHES OF SNOW TO THE CONCORD AREA. THEREAFTER, THE
ACTIVE PATTERN TRANSITIONED TO A DRY ONE UNTIL THE MIDDLE OF THE
MONTH WITH TEMPERATURES RUNNING A FEW DEGREES ABOVE NORMAL. ANOTHER
SIGNIFICANT SYSTEM IMPACTED NEW ENGLAND FROM LATE ON THE 13TH UNTIL
THE MORNING OF THE 15TH. THIS SYSTEM INVOLVED AN AREA OF LOW
PRESSURE APPROACHING NEW ENGLAND FROM THE GREAT LAKES WITH A
SECONDARY LOW FORMING OFF THE MID ATLANTIC THAT THEN TOOK OVER AS
THE PRIMARY STORM AS IT TRACKED INTO THE GULF OF MAINE. THE CONCORD
AREA RECEIVED 10 INCHES OF HEAVY WET SNOW FROM THIS SYSTEM WHILE THE
WHITE MOUNTAINS AND PORTIONS OF VERMONT RECEIVED UPWARDS OF 1 TO 2
FEET OF SNOW. THE REST OF THE MONTH WAS RELATIVELY QUIET WITH
TEMPERATURES RUNNING A COUPLE DEGREES ABOVE NORMAL, EXCEPT FOR A
TREND TO BELOW NORMAL DURING THE FINAL WEEK OF THE MONTH.
THE AVERAGE TEMPERATURE FOR THE MONTH WAS 34.9 DEGREES, WHICH WAS
1.5 DEGREES ABOVE NORMAL. THE WARMEST MARCH ON RECORD WAS IN 2012
WHEN THE AVERAGE TEMPERATURE WAS 42.1 DEGREES. THE COLDEST WAS 23.5
DEGREES IN 1885.
A TOTAL OF 4.30 INCHES OF PRECIPITATION FELL, WHICH WAS 1.02 INCHES
ABOVE NORMAL. THE HEAVIEST PRECIPITATION FELL ON THE 13TH INTO THE
14TH WHEN A LIQUID EQUIVALENT OF 1.83 INCHES WAS MEASURED IN 24
HOURS AND A STORM TOTAL OF 1.95 INCHES. THE WETTEST MARCH ON RECORD
WAS IN 1936 WHEN 9.80 INCHES OF PRECIPITATION FELL. THE DRIEST WAS A
TRACE IN 1915.
A TOTAL OF 20.4 INCHES OF SNOW FELL, WHICH WAS 6.8 INCHES ABOVE
NORMAL. THE HEAVIEST SNOW FELL ON THE 14TH WHEN 10.0 INCHES OF HEAVY
WET SNOW WAS MEASURED. THE SNOWIEST MARCH ON RECORD WAS IN 1956 WHEN
38.3 INCHES FELL. THE LEAST SNOWIEST WAS IN 1921 WHEN NO SNOW WAS
RECORD FOR THE MONTH.
NO RECORDS WERE SET OR TIED IN THE CONCORD AREA FOR MARCH.
$$
DS