Climatological Report (Annual)
Issued by NWS Portland, ME

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CLAGYX

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CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
545 PM EST MON JAN 21 2019

...................................

...THE GRAY ME CLIMATE SUMMARY FOR THE YEAR OF 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1995 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              99   07/22/2011
 LOW              -15   01/15/2004
HIGHEST            92   07/04        93      -1       95
LOWEST            -10   01/07        -7      -3      -10
                        01/01
AVG. MAXIMUM     54.7              55.4    -0.7     56.0
AVG. MINIMUM     37.8              37.3     0.5     38.5
MEAN             46.3              46.4    -0.1     47.2
DAYS MAX >= 90      3               5.3    -2.3        4
DAYS MAX <= 32     54              50.9     3.1       54
DAYS MIN <= 32    156             143.2    12.8      139
DAYS MIN <= 0       7               7.1    -0.1        8

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        71.90   2005
TOTALS          49.14             50.22   -1.08    42.01
DAILY AVG.       0.14              0.14    0.00     0.12
DAYS >= .01       133             138.6    -5.6      140
DAYS >= .10        85              85.3    -0.3       82
DAYS >= .50        33              33.4    -0.4       31
DAYS >= 1.00       11              14.1    -3.1        9
GREATEST
 24 HR. TOTAL    2.41   09/10 TO 09/11              1.71

SNOWFALL (INCHES)
RECORDS
 TOTAL          125.2   2008
TOTALS           97.2              83.8    13.4    111.9
SINCE 7/1        25.1              21.4     3.7     24.8
SNOWDEPTH AVG.      3
DAYS >= TRACE      69              33.7               57
DAYS >= 1.0        20              19.3     0.7       22
GREATEST
 SNOW DEPTH        22   01/05                         34
 24 HR TOTAL     12.6   01/04 TO 01/05              16.6

DEGREE_DAYS
HEATING TOTAL    7238              7191      47     6900
 SINCE 7/1       2851              2666     185     2547
COOLING TOTAL     521               390     131      532

FREEZE DATES
RECORD
 EARLIEST     09/29/2000
 LATEST       05/11/2010
EARLIEST                        10/14
LATEST                          04/24
..............................................................



-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

THE YEAR BEGAN IN THE MIDST OF AN INTENSE COLD SPELL THAT HAD BEGUN
ON CHRISTMAS DAY AND INTENSIFIED INTO THE NEW YEAR. THE TEMPERATURE
ON NEW YEAR`S MORNING WAS 10 BELOW ZERO. JUST AS THE EXTREME COLD
SEEMED TO BE ENDING, AN INTENSE NOR`EASTER BROUGHT MORE THAN 12
INCHES OF SNOW AND BLIZZARD CONDITIONS ON JANUARY 4.  MORE COLD AIR
POURED IN BEHIND THIS STORM AND ON JANUARY 6 THE TEMPERATURE NEVER
EVEN WARMED ABOVE ZERO! THIS ROUND OF COLD WAS NOT AS LONG LASTING
AS THE LAST ONE AS THE JANUARY THAW WAS RIGHT AROUND THE CORNER. THE
TEMPERATURE PEAKED AT 52 DEGREES ON THE MORNING OF JANUARY 13 AFTER
MORE THAN AN INCH OF RAIN HAD PUT A BIG DENT IN THE EARLY SEASON
SNOW COVER. A STRONG COLD FRONT ARRIVED THAT DAY SENDING THE
TEMPERATURE PLUNGING AGAIN FOR A FEW DAYS. BUT THIS WAS THE START OF
A WARMING TREND THAT WOULD CONTINUE, WITH ONLY A FEW WINTRY SET
BACKS, RIGHT THROUGH THE MONTH OF FEBRUARY. THE WARMTH PEAKED IN THE
LAST WEEK OF FEBRUARY WHEN THE TEMPERATURE REACHED 68 DEGREES ON
FEBRUARY 21, BY FAR THE WARMEST TEMPERATURE ON RECORD FOR THE MONTH
OF FEBRUARY.

WARMEST TEMPERATURE IN FEBRUARY (SINCE 1995)...
RANK  TEMP  DATE
1      68   FEB 21, 2018  <===
2      57   FEB 19, 2017
3      56   FEB 29, 2016
       56   FEB 18, 2011
       56   FEB 24, 2000

ALTHOUGH THE WARMTH OF FEBRUARY MADE IT SEEM LIKE AN EARLY SPRING
WAS AROUND THE CORNER, WINTER CAME BACK AGAIN FOR MARCH. TWO STORM
SYSTEMS BROUGHT HEAVY SNOWFALL ONLY ABOUT A WEEK APART FROM EACH
OTHER. THE FIRST DROPPED MORE THAN 10 INCHES ON MARCH 7 AND 8. THE
NEXT ONE BROUGHT MORE THAN 12 INCHES ON MARCH 13 AND 14. MORE COLD
AIR RUSHED IN BEHIND THE SECOND STORM BRINGING 3 STRAIGHT DAYS OF
SUBFREEZING TEMPERATURES HELPING TO SOLIDIFY THE REPLENISHED LATE
SEASON SNOW COVER. ALTHOUGH THE TEMPERATURE GRADUALLY WARMED OVER
THE NEXT FEW WEEKS, THE SNOW STAYED ON THE GROUND INTO APRIL FOR THE
5TH TIME IN THE LAST 6 YEARS. APRIL SAW SEVERAL COLD TROUGHS DROP
DOWN OUT OF CANADA BRINGING ROUND AFTER ROUND OF COOL TEMPERATURES
AND AFTERNOON SNOW SHOWERS. THE MOST INTENSE OF THIS COLD CAME ON
APRIL 15 WHEN THE TEMPERATURE DID NOT EVEN WARM ABOVE FREEZING WITH
FREEZING RAIN AND SLEET FALLING MUCH OF THE DAY. SUCH COLD WEATHER
IS QUITE UNUSUAL FOR SO LATE IN THE SEASON. IT WAS ALL OVER THE NEXT
DAY, THOUGH, AS WARM AIR SURGED NORTHWARD AND MORE THAN 2 INCHES OF
RAIN FELL.

LATE SPRING COLD ACCELERATED STRAIGHT INTO SUMMER-LIKE WARMTH, AT
LEAST BRIEFLY. AFTER DROPPING TO 33 DEGREES ON MAY 1, THE
TEMPERATURE SOARED TO 88 DEGREES ON MAY 2. A COLD FRONT BROUGHT CUT
BACK ON THE HEAT THE NEXT DAY, BUT A NEW WEATHER PATTERN WAS
EMERGING. AFTER THE COOL AND WET PATTERN OF MARCH AND APRIL A DRY
AND WARM PATTERN WAS EMERGING. DRY AIR MASSES OUT OF THE CENTRAL
PART OF NORTH AMERICA WOULD DOMINATE THE WEATHER OF MAY AND JUNE
BRINGING BRINGING WARM DAYS AND COOL NIGHTS ALONG WITH VERY LITTLE
RAINFALL. IT WASN`T UNTIL THE END OF JUNE THAT THINGS BEGAN TO
CHANGE. MORE THAN 2 INCHES OF RAIN FELL ON JUNE 28 JUST AS A HOT AND
HUMID AIR MASS BEGAN BUILDING INTO THE REGION. THIS HEAT WOULD PEAK
WITH A HIGH OF 92 ON INDEPENDENCE DAY, JULY 4. A FEW COLD FRONTS
BROUGHT SOME COOLER AND DRIER AIR IN MID JULY, BUT THE HEAT AND
HUMIDITY KEPT RETURNING. A RIDGE OF HIGH PRESSURE OVER THE WESTERN
ATLANTIC AND EAST COAST KEPT A FLOW OF WARM AND HUMID AIR INTO NEW
ENGLAND. THE HEAT AND HUMIDITY OCCASIONALLY BOILED OVER INTO
AFTERNOON SHOWERS AND THUNDERSTORMS WHICH DROPPED HEAVY RAINFALL
WHERE THEY OCCURRED. ALTHOUGH A FEW COLD FRONTS DID MANAGE TO CUT
THROUGH THE RIDGE AND BRING BRIEF COOLER BREAKS, THE WARM AND HUMID
PATTERN MOSTLY CONTINUED THROUGH SEPTEMBER.

AFTER WARMING TO 83 DEGREES ON OCTOBER 10, A COLD FRONT USHERED IN A
LONG AWAITED SHIFT IN THE WEATHER PATTERN. A TROUGH DEVELOPED OVER
THE EASTERN UNITED STATES WITH ROUND AFTER ROUND OF COLD AIR POURED
IN BENEATH THE TROUGH. THE FIRST FREEZE OF THE SEASON CAME ON
OCTOBER 18, ALONG WITH THE FIRST SNOWFLAKES, BARELY A WEEK AFTER
REACHING 80 DEGREES. FOR THE NEXT SEVERAL WEEKS NEW ENGLAND FOUND
ITSELF ON THE EASTERN SIDE OF THE BROADER TROUGH MEANING THAT STORM
SYSTEMS TRACKING ACROSS THE COUNTRY EXITED NEAR NEW ENGLAND BRINGING
FREQUENTLY STORMY WEATHER. NEW PRECIPITATION FELL EVERY FEW DAYS
WITH COOL AIR CONTINUALLY REPLENISHED BY COLD FRONTS. TWO ROUNDS OF
ARCTIC AIR MOVED IN DURING NOVEMBER TURNING THE WEATHER FROM COOL
AND WET TO VERY COLD AND SNOWY. THE FIRST ARRIVED WITH A COLD FRONT
ON NOVEMBER 13. THE TEMPERATURE DID NOT WARM ABOVE FREEZING AGAIN
FOR THE NEXT 3 DAYS, WITH THE FIRST SIGNIFICANT SNOWSTORM OF THE
SEASON COMING ON NOVEMBER 16. ANOTHER STORM BROUGHT MORE THAN 7
INCHES OF SNOW ON NOVEMBER 20 AND 21 WITH EVEN COLDER AIR POURING
INTO THE AREA JUST IN TIME FOR THANKSGIVING. AFTER DROPPING TO 3
DEGREES ON THANKSGIVING MORNING, NOVEMBER 22, THE TEMPERATURE ONLY
REACHED 14 DEGREES THAT AFTERNOON. THIS TYPE OF WEATHER WOULD BE
COLD BY JANUARY STANDARDS BUT IT IS UNHEARD OF FOR THANKSGIVING.
ALTHOUGH THE EXTREME COLD SOON ABATED, ONE MORE SNOWSTORM BROUGHT
NEARLY 8 INCHES OF SNOW ON NOVEMBER 26 AND 27. AS A THIRD ROUND OF
ARCTIC AIR MOVED IN FOR THE FIRST HALF OF DECEMBER, THE WEATHER
PATTERN WAS FINALLY BEGINNING TO SHIFT. AFTER SEVERAL WEEKS OF
STORMY WEATHER THE STORM TRACK SHIFTED. SO WHILE IT WAS STILL VERY
COLD THERE WAS A STRETCH OF 14 STRAIGHT DAYS WITHOUT MEASURABLE
PRECIPITATION, A WELCOME BREAK FROM THE STORMS. BY THE END OF
DECEMBER THINGS BEGAN TO WARM UP AGAIN. A RAINSTORM ON DECEMBER 21
BROUGHT MORE THAN AN INCH OF RAIN AND 50 DEGREE WARMTH, WASHING AWAY
MOST OF WHAT WAS LEFT OF THE EARLY SEASON SNOW COVER. ONLY A TRACE
OF SNOW WAS LEFT ON THE GROUND BY CHRISTMAS MORNING.

THE AVERAGE TEMPERATURE FOR THE YEAR WAS 46.3 DEGREES WHICH WAS 0.1
DEGREES BELOW NORMAL. THE COOLEST YEAR WAS IN 1997 WHEN THE AVERAGE
TEMPERATURE WAS 45.1 DEGREES. THE WARMEST WAS IN 2010 WHEN IT WAS
48.9 DEGREES. THE FOLLOWING TABLE LISTS THE AVERAGE TEMPERATURE,
TOTAL PRECIPITATION, TOTAL SNOWFALL, AND DEPARTURES FROM NORMAL FOR
EACH MONTH OF 2018.

SUMMARY OF TEMPERATURE AND PRECIPITATION BY MONTH FOR 2018...
MONTH      AVERAGE TEMP  PRECIPITATION   SNOWFALL
JANUARY    20.8  (-0.8)  3.60  (+0.07)   19.1  (-2.1)
FEBRUARY   29.6  (+4.9)  3.57  (+0.26)   26.0  (+9.5)
MARCH      32.9  (-0.0)  2.52  (-1.65)   24.6  (+4.7)
APRIL      40.9  (-3.4)  5.10  (+0.72)   2.4   (-2.4)
MAY        57.5  (+2.6)  0.90  (-3.00)   0.0
JUNE       63.1  (-1.0)  4.26  (-0.04)   0.0
JULY       70.5  (+1.1)  4.05  (-0.25)   0.0
AUGUST     71.2  (+2.6)  3.70  (+0.11)   0.0
SEPTEMBER  62.3  (+1.9)  4.77  (+0.58)   0.0
OCTOBER    46.2  (-2.9)  4.39  (-0.75)   T     (-0.1)
NOVEMBER   33.0  (-5.5)  8.67  (+3.32)   20.8 (+17.8)
DECEMBER   27.1  (-0.2)  3.65  (-0.41)   4.3  (-14.0)
ANNUAL     46.3  (-0.1)  49.14 (-1.08)   97.2 (+13.4)

A TOTAL OF 49.14 INCHES OF PRECIPITATION FELL WHICH WAS 1.08 INCHES
BELOW NORMAL AND THE 4TH CONSECUTIVE DRIER THAN NORMAL YEAR. THE
DRIEST YEAR ON RECORD WAS IN 2001 WHEN ONLY 34.77 INCHES FELL. THE
WETTEST WAS IN 2005 WHEN 71.90 INCHES WAS RECORDED. THE FOLLOWING
TABLE LISTS THE DAYS WHICH OBSERVED AT LEAST 1.00 INCH OF
PRECIPITATION IN 2018.

DAYS WITH AT LEAST 1.00 INCH OF PRECIPITATION
DAY           PRECIPITATION
JANUARY 4     1.00
APRIL 16      2.16
APRIL 25      1.35
JUNE 28       2.19
JULY 27       1.72
SEPTEMBER 11  2.05
SEPTEMBER 25  1.39
NOVEMBER 3    1.65
NOVEMBER 13   1.26
NOVEMBER 27   1.80
DECEMBER 21   1.63

SNOWFALL STATISTICS ARE NORMALLY LISTED BY SEASON RATHER THAN BY
CALENDAR YEAR. HOWEVER, 2018 SAW 97.2 INCHES OF SNOWFALL WHICH WAS
13.4 INCHES ABOVE NORMAL. THE HEAVIEST SNOWSTORM WAS ON MARCH 13 TO
15 WHEN 12.9 INCHES WAS RECORDED. THERE WERE 20 DAYS WITH AT LEAST
1.0 INCH OF SNOWFALL. AT LEAST 6.0 INCHES WAS RECORDED ON 7 DAYS.
THE FOLLOWING TABLE LISTS THE DAYS WHICH OBSERVED AT LEAST 6.0
INCHES OF SNOWFALL IN 2018.

DAYS WITH AT LEAST 6 INCHES OF SNOWFALL
DAY           SNOWFALL
JANUARY 4     12.0
FEBRUARY 7    6.8
FEBRUARY 18   8.0
MARCH 8       9.2
MARCH 13      9.0
NOVEMBER 20   6.5
NOVEMBER 27   6.0

SNOW DEPTH REACHED ITS PEAK IN EARLY JANUARY AFTER A HEAVY SNOWSTORM
IN THE MIDST OF AN INTENSE AND LONG LASTING COLD SPELL. THE HIGHEST
SNOW DEPTH WAS 22 INCHES ON JANUARY 5. MULTIPLE SNOWSTORMS AND COLD
TEMPERATURES IN MARCH ENSURED THE SNOW STAYED ON THE GROUND INTO
APRIL FOR THE 5TH OF THE LAST 6 YEARS. THE LAST OF THE WINTER SNOW
PACK MELTED BY THE MORNING OF APRIL 10. SNOW BEGAN AGAIN IN NOVEMBER
WITH THE FIRST ARRIVING ON NOVEMBER 16. TWO MORE SNOWSTORMS AND
BITTER COLD TEMPERATURES SOLIDIFIED THIS EARLY SEASON SNOW COVER.
HOWEVER, A DRY SPELL IN DECEMBER FOLLOWED BY A RAINSTORM ON DECEMBER
21 WAS TOO MUCH TO KEEP THE EARLY SEASON SNOW AROUND ALL WINTER. THE
LAST TRACE OF SNOW MELTED ON CHRISTMAS DAY, ALTHOUGH MORE LIGHT SNOW
RETURNED BEFORE THE END OF THE YEAR.THERE WERE 128 DAYS WITH AT
LEAST 1 INCH OF SNOW ON THE GROUND, 86 DAYS WITH AT LEAST 6 INCHES
ON THE GROUND, AND 30 DAYS WITH AT LEAST 12 INCHES ON THE GROUND.

$$

KIMBLE



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