Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
000
CXUS51 KGYX 090215
CLSMHT
PWMCLSMHT 000
TTAA00 GYX 060202
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
858 PM EST SAT MAR 05 2022
...................................
...THE MANCHESTER CLIMATE SUMMARY FOR THE WINTER SEASON, FROM
12/1/2021 TO 2/28/2022...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1885 TO 2022
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
HIGHEST 68 02/23 62 6 64 12/01
LOWEST -3 01/31 -5 2 4 01/31
12/19
02/10
AVG. MAXIMUM 38.8 36.9 1.9 37.1
AVG. MINIMUM 21.1 19.9 1.2 22.8
MEAN 30.0 28.4 1.6 29.9
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 24 30.2 -6.2 26
DAYS MIN <= 32 77 80.6 -3.6 82
DAYS MIN <= 0 3 3.7 -0.7 0
PRECIPITATION (INCHES)
TOTALS 9.32 8.46 0.86 9.18
DAILY AVG. 0.10 0.09 0.01 0.10
DAYS >= .01 32 30.2 1.8 25
DAYS >= .10 22 17.4 4.6 15
DAYS >= .50 5 5.7 -0.7 5
DAYS >= 1.00 1 1.2 -0.2 3
GREATEST
24 HR. TOTAL 1.91 02/03 TO 02/04
SNOWFALL (INCHES)
TOTALS 36.2 44.9
SINCE 7/1 36.3 47.4
SNOWDEPTH AVG. 2
DAYS >= TRACE 23 37
DAYS >= 1.0 7 11
GREATEST
SNOW DEPTH 9 01/30 10 12/18
24 HR TOTAL 9.3 01/29
DEGREE DAYS
HEATING TOTAL 3135 3293 -158 3128
SINCE 7/1 4083 4509 -426 4176
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 0
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WIND (MPH)
AVERAGE WIND SPEED 7.3
HIGHEST WIND SPEED/DIRECTION 33/300 DATE 02/18
HIGHEST GUST SPEED/DIRECTION 44/300 DATE 02/18
SKY COVER
AVERAGE SKY COVER 0.65
AVERAGE RH (PERCENT) 62
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 HEAVY RAIN 4
RAIN 8 LIGHT RAIN 27
FREEZING RAIN 1 LT FREEZING RAIN 6
HEAVY SNOW 5 SNOW 5
LIGHT SNOW 25 FOG 35
FOG W/VIS <= 1/4 MILE 7 HAZE 10
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
WINTER GOT OFF TO MILD START WITH TEMPERATURES AVERAGING WELL ABOVE
NORMAL THROUGH THE FIRST HALF OF DECEMBER THANKS TO HIGH
TEMPERATURES REACHING THE 60 DEGREE MARK A COUPLE OF TIMES AND
SEVERAL NIGHTS WHERE THE TEMPERATURE DID NOT DROP BELOW FREEZING.
THIS MILD START TO WINTER CAN BE ATTRIBUTED TO A PERSISTENT RIDGE OF
HIGH PRESSURE OVER THE SOUTHEAST US THAT OFTEN EXTENDED INTO NEW
ENGLAND. THIS RIDGE OF HIGH PRESSURE OFTEN FORMS OVER THE SOUTHEAST
US DURING LA NINA WINTERS WITH THIS PAST WINTER FEATURING MODERATE
LA NINA CONDITIONS IN THE TROPICAL PACIFIC. THE MILD WEATHER PATTERN
TURNED MORE WINTRY AFTER A STRONG COLD FRONT CROSSED THE AREA ON
DECEMBER 17TH. ON DECEMBER 18TH TO 19TH LOW PRESSURE TRACKED ACROSS
SOUTHERN NEW ENGLAND BRINGING SNOW THAT CHANGED TO A WINTRY MIX AND
THEN BACK TO SNOW. THIS SYSTEM BROUGHT THE FIRST APPRECIABLE
SNOWFALL OF THE SEASON WITH TOTAL OF 4.9 INCHES. TEMPERATURES
REMAINED COLD ENOUGH THEREAFTER TO PRESERVE THE SNOWPACK INTO
CHRISTMAS. ON CHRISTMAS DAY THERE WAS AN ICY WINTRY MIX THAT ENDED
AS SOME SNOW CHRISTMAS NIGHT. TEMPERATURES THEN TRENDED ABOVE
NORMAL THROUGH THE END OF THE YEAR INTO THE FIRST COUPLE OF DAYS OF
JANUARY. THROUGH THE MIDDLE OF JANUARY TEMPERATURES OSCILLATED
BETWEEN BELOW NORMAL AND ABOVE NORMAL WITH A COUPLE OF LIGHT SNOW
EVENTS AS THE WEATHER PATTERN ACROSS NORTH AMERICA STARTED TO
UNDERGO A TRANSITION. THIS TRANSITION WAS RELATED TO THE PACIFIC
NORTH AMERICAN PATTERN SHIFTING TO ITS POSITIVE PHASE AFTER BEING IN
ITS NEGATIVE PHASE DURING DECEMBER INTO EARLY JANUARY. THIS SHIFT TO
A +PNA LED TO A PERSISTENT RIDGE OF HIGH PRESSURE ACROSS WESTERN
NORTH AMERICA WITH A DEEP TROUGH OVER THE EASTERN CONUS THROUGH THE
END OF JANUARY. THE DEEP TROUGH OVER THE EASTERN CONUS ALLOWED
TEMPERATURES TO AVERAGE BELOW NORMAL FOR THE MONTH OF JANUARY AND IT
PRODUCED A POWERFUL OCEAN STORM ON JANUARY 29TH THAT BROUGHT THE
MANCHESTER AREA ITS GREATEST SNOWFALL FOR WINTER WITH 9.3 INCHES.
GOING INTO FEBRUARY THE RIDGE OVER THE SOUTHEAST US REDEVELOPED AND
REMAINED A DOMINANT FEATURE THROUGH THE END OF WINTER. MILD
SOUTHWEST FLOW AROUND THE RIDGE BROUGHT SEVERAL WARM SPELLS TO THE
MANCHESTER AREA WITH TEMPERATURES ECLIPSING THE 60 DEGREE MARK THREE
TIMES IN FEBRUARY WITH THE WARMEST DAY OF WINTER OCCURRING ON
FEBRUARY 23RD WHEN THE HIGH TEMPERATURE WAS 68 DEGREES.
ANOTHER DOMINANT FEATURE ON THE NORTH AMERICAN WEATHER MAP DURING
FEBRUARY WAS A PERSISTENT TROUGH OVER CENTRAL CANADA. AS NORTHERN
NEW ENGLAND WAS POSITIONED BETWEEN A RIDGE OVER THE SOUTHEAST US AND
A TROUGH OVER CENTRAL CANADA THE STORM TRACK HAD A TENDENCY TO CUT
ACROSS THE AREA WITH SYSTEMS BRINGING A VARIETY OF PRECIPITATION
TYPES IN FEBRUARY. THE MOST SIGNIFICANT PRECIPITATION EVENT OF THE
WINTER OCCURRED ON FEBRUARY 3RD TO 4TH WHEN WAVES OF LOW PRESSURE
TRACKED ALONG A COLD FRONT THAT SLOWLY SANK SOUTH THROUGH NEW
ENGLAND AND THEN STALLED NEAR THE LATITUDE OF MANCHESTER. THIS SET
UP LED TO A PERIOD OF RAIN ON THE 3RD THAT THEN CHANGED OVER TO
SLEET ON THE 4TH WITH A LIQUID EQUIVALENT STORM TOTAL OF 2.01
INCHES. SYSTEMS THAT THEN CROSSED THE AREA THROUGH THE MIDDLE OF
FEBRUARY WERE PRIMARILY RAIN PRODUCERS WHICH RESULTED IN LITTLE TO
NO SNOW ON THE GROUND UNTIL A SNOWSTORM BROUGHT 7.0 INCHES ON
FEBRUARY 25TH.
THE AVERAGE TEMPERATURE FOR WINTER WAS 30.0 DEGREES, WHICH WAS 1.6
DEGREES ABOVE NORMAL. THE WARMEST WINTER WAS IN 2015-16 WHEN THE
AVERAGE TEMPERATURE WAS 33.7 DEGREES. THE COLDEST WAS IN 1947-48
WHEN IT WAS 19.3 DEGREES.
A TOTAL OF 9.32 INCHES OF PRECIPITATION FELL, WHICH WAS 0.86 INCHES
ABOVE NORMAL. THE HEAVIEST PRECIPITATION FELL FEBRUARY 3RD AND 4TH
WITH A STORM TOTAL 2.01 INCHES OF LIQUID EQUIVALENT PRECIPITATION.
THE WETTEST WINTER WAS IN 1886-87 WHEN 15.41 INCHES WAS RECORDED.
THE DRIEST WAS IN 1930-31 WHEN ONLY 5.56 INCHES FELL.
THERE WAS 36.2 INCHES OF SNOWFALL FOR THE WINTER SEASON. THE
HEAVIEST SNOW WAS ON JANUARY 29TH WHEN 9.3 INCHES WAS MEASURED.
HISTORICAL RECORDS AT MANCHESTER BEGAN IN 1885, BUT WITHIN THIS
RECORD THERE REMAIN NUMEROUS YEARS OF UNAVAILABLE DATA. DUE TO THIS,
HISTORICAL RECORDS SHOULD BE CONSIDERED INCOMPLETE AS SOME
SIGNIFICANT EXTREMES MAY BE MISSING FROM THE DATA. MORE CONSISTENT
MODERN RECORDS BEGAN IN 1998 AND CONTINUE TO THE PRESENT.
$$
SCHROETER