Climatological Report (Annual)
Issued by NWS Portland, ME

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8
000
CXUS51 KGYX 060458
CLAGYX

PWMCLAGYX 000 TTAA00 GYX 060102

CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 802 PM EST WED JAN
05 2022

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

...THE GRAY ME CLIMATE SUMMARY FOR THE YEAR OF 2021...

CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1995 TO
2022

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           95   06/28         93       2       92

                       06/29

LOWEST             2   01/30         -7       9       -6

                       01/31

AVG. MAXIMUM    56.7               55.1     1.6     56.4

AVG. MINIMUM    40.1               37.6     2.5     39.0

MEAN            48.4               46.3     2.1     47.7

DAYS MAX >= 90     9                4.7     4.3        5

DAYS MAX <= 32    46               51.7    -5.7       37

DAYS MIN <= 32   141              143.8    -2.8      145

DAYS MIN <= 0      0                7.1    -7.1        5


PRECIPITATION (INCHES) RECORD MAXIMUM       71.90   2005

TOTALS         45.00              50.14   -5.14    48.16

DAILY AVG.      0.12               0.14   -0.02     0.13

DAYS >= .01      144              139.8     4.2      121

DAYS >= .10       79               84.4    -5.4       66

DAYS >= .50       27               33.2    -6.2       33

DAYS >= 1.00      13               13.1    -0.1       15

GREATEST 24 HR. TOTAL   3.30   10/30 TO 10/31               3.77


SNOWFALL (INCHES) RECORDS TOTAL         125.2   2008

TOTALS          35.3               84.0   -48.7     65.9

SINCE 7/1       11.6               22.1   -10.5     18.9

SNOWDEPTH AVG.     1

DAYS >= TRACE     61               35.0               57

DAYS >= 1.0       13               19.9    -6.9       13

GREATEST SNOW DEPTH       10   02/23                          15

 24 HR TOTAL     5.3   02/01 TO 02/02               11.7


DEGREE DAYS HEATING TOTAL   6452               7163    -711     6758

 SINCE 7/1      2318               2613    -295     2455

COOLING TOTAL    536                396     140      548


FREEZE DATES RECORD EARLIEST     09/29/2000

 LATEST       05/11/2010

EARLIEST                        11/03

LATEST                          04/23

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



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

&&

THEY YEAR STARTED OFF MILD WITH A SHALLOW SNOWPACK. THE JANUARY THAW
ARRIVED ON THE 16TH WHEN THE TEMPERATURE REACHED 46 DEGREES WITH
1.63 INCHES OF RAIN BRINGING THE SNOWPACK DOWN TO JUST A TRACE.
CONDITIONS TURNED COLDER THE LAST WEEK OF JANUARY INTO THE FIRST
THREE WEEKS OF FEBRUARY AND WE STARTED TO REBUILD THE SNOWPACK WITH
SEVERAL LIGHT SNOW EVENTS. CONDITIONS TURNED MILD AGAIN AT THE END
OF FEBRUARY FOLLOWED BY LARGE TEMPERATURE SWINGS THROUGH MUCH OF
MARCH. MILD WEATHER THEN DOMINATED THE LAST WEEK OF MARCH WITH THE
LAST OF THE WINTER SNOWPACK MELTING MARCH 26TH.

MILD WEATHER WITH SOME EXTENDED DRY PERIODS WOULD DOMINATE THE
SPRING. THE FIRST 70 DEGREE DAY WAS ON APRIL 10TH WITH A HIGH OF 75
DEGREES. THE LAST MEASURABLE SNOWFALL WAS APRIL 16TH WITH ONLY 0.9
INCHES FOLLOWED BY THE LAST FREEZE ON APRIL 23RD. FOR A SECOND YEAR
IN A ROW THERE WAS A DRY START TO THE GROWING SEASON WITH A
RESURGENCE OF DROUGHT CONDITIONS. AFTER A HIGH OF 92 DEGREES ON MAY
26TH THE WARM AND DRY PATTERN TURNED COOL AND RAINY OVER MEMORIAL
DAY WEEKEND.

TEMPERATURES REBOUNDED QUICKLY GOING INTO JUNE WITH 5 STRAIGHT DAYS
IN THE UPPER 80S TO LOW 90S STARTING JUNE 5TH. THE HEAT BACKED OFF
SOME THROUGH MID JUNE, BUT CAME BACK STRONG AT THE END OF THE MONTH.
HIGHS CLIMBED INTO THE 90S FOR FOUR STRAIGHT DAYS FROM JUNE 27TH TO
30TH. THE HOTTEST WEATHER OF THE YEAR OCCURRED ON JUNE 28TH AND 29TH
WHEN THE HIGH WAS 95 DEGREES AND WAS ALSO THE WARMEST JUNE
TEMPERATURE ON RECORD. THE HOT AND DRY WEATHER TOOK QUITE THE TURN
IN THE OTHER DIRECTION GOING INTO JULY. THE INDEPENDENCE DAY WEEKEND
WAS COLD AND WET WITH A LOW OF 47 ON JULY 5TH, THE COLDEST JULY
TEMPERATURE ON RECORD. THE COOL AND RAINY HOLIDAY WEEKEND WAS
FOLLOWED BY THE REMNANTS OF TROPICAL STORM ELSA BRINGING 2.89 INCHES
OF RAIN OVER JULY 8TH AND 9TH. VERY WET AND COOL WEATHER WOULD END
UP BEING THE THEME FOR JULY BRINGING AN END TO DROUGHT CONDITIONS.
THIS WEATHER PATTERN BROKE DOWN GOING INTO AUGUST. THERE WERE TWO
PERIODS OF SUMMER HEAT WITH MULTIPLE DAYS INTO THE UPPER 80S TO LOW
90S ALONG WITH RELATIVELY DRY WEATHER FOR MUCH OF AUGUST.

THE WEATHER TURNED MORE ACTIVE INTO SEPTEMBER WITH THE THEME FOR THE
FALL BEING WARM AND WET CONDITIONS. THE REMNANTS OF HURRICANE IDA
BROUGHT 1.57 INCHES OF RAIN ON SEPTEMBER 1ST AND 2ND, CONTINUING THE
TREND OF POST TROPICAL SYSTEMS BRINGING HEAVY BOUTS OF RAIN TO THE
AREA. MILD AND RELATIVELY DRY WEATHER DOMINATED THE FIRST HALF OF
OCTOBER. GOING INTO THE END OF OCTOBER THE PATTERN CHANGED FAVORING
NOR`EASTERS. A STRONG NOR`EASTER BROUGHT RAIN AND WINDS ON OCTOBER
27TH FOLLOWED BY ANOTHER SYSTEM BRINGING HEAVY RAINFALL OVER
HALLOWEEN WEEKEND. THE SYSTEM OVER HALLOWEEN WEEKEND BROUGHT THE
GREATEST STORM TOTAL RAINFALL OF THE YEAR WITH 3.36 INCHES ON
OCTOBER 30TH AND 31ST. COLDER WEATHER FINALLY ARRIVED IN NOVEMBER
WITH THE FIRST FREEZE OCCURRING ON NOVEMBER 3RD. IN AN OTHERWISE DRY
MONTH A BROAD AREA OF LOW PRESSURE BROUGHT HEAVY RAIN NOVEMBER 12TH
AND 13TH WITH A STORM TOTAL RAINFALL OF 2.09 INCHES. THE FIRST
MEASURABLE SNOWFALL CAME ON NOVEMBER 26TH AND 27TH FOR A TOTAL OF
0.4 INCHES WITH COOL WEATHER PERSISTING THROUGH THE END OF NOVEMBER.
THE FIRST SIGNIFICANT SNOWSTORM CAME ON DECEMBER 18TH AND 19TH FOR A
TOTAL OF 4.6 INCHES. THIS SNOW STUCK AROUND THROUGH CHRISTMAS WITH
MORE SNOW FALLING ON CHRISTMAS DAY.

THE AVERAGE TEMPERATURE FOR THE YEAR WAS 48.4 DEGREES WHICH WAS 2.1
DEGREES ABOVE NORMAL AND THE SECOND WARMEST YEAR ON RECORD. THE
WARMEST YEAR WAS IN 2010 WHEN THE AVERAGE TEMPERATURE WAS 48.9
DEGREES. THE COOLEST WAS 45.1 DEGREES IN 1997. THE FOLLOWING TABLE
LISTS THE AVERAGE TEMPERATURES FOR EACH MONTH OF 2021 INCLUDING
DEPARTURES FROM NORMAL.

AVERAGE TEMPERATURES BY MONTH IN 2021 MONTH      MAXIMUM MINIMUM
AVERAGE      NOTES JANUARY    31.8 (+2.4)   19.8 (+7.2)  25.8 (+4.8)
 FEBRUARY   31.8 (-1.8)   18.0 (+2.1)  24.9 (+0.2) MARCH 44.3 (+2.4)
  24.4 (+0.4)  34.3 (+1.4)   APRIL      55.9 (+2.3) 36.5 (+1.6) 46.2
(+1.9)  MAY        66.7 (+2.4)   46.0 (+2.0)  56.3 (+2.1)  JUNE 79.9
(+6.5)   59.5 (+5.7)  69.7 (+6.1)  WARMEST JULY 74.4 (-4.6) 59.0 (-
1.1)  66.7 (-2.8) AUGUST     79.7 (+1.5)   62.9 (+4.0)  71.3 (+2.7)
SEPTEMBER  71.4 (+1.0)   54.9 (+3.4)  63.2 (+2.3)  OCTOBER 60.4
(+2.7)   46.4 (+5.6)  53.4 (+4.2)  NOVEMBER  47.0 (+0.9) 30.8 (-0.6)
 38.9 (+0.1)  DECEMBER  37.1 (+1.9) 23.3 (+2.2)  30.2 (+2.0) ANNUAL
56.7 (+1.6)   40.1 (+2.5)  48.4 (+2.1)  2ND WARMEST

*NOTE THAT THE NWS BEGAN USING NEW 30-YEAR NORMAL VALUES IN MAY OF
2021. THE DEPARTURE FROM NORMAL LISTED HERE IS THE DEPARTURE FROM
THE NORMAL USED AT THE TIME. JANUARY THROUGH APRIL USES THE OLD
NORMAL VALUES, WHILE THE REMAINDER OF THE YEAR AND THE ANNUAL VALUES
ARE REPORTED RELATIVE TO THE NEW 1991-2020 NORMALS.

A TOTAL OF 45.00 INCHES OF PRECIPITATION FELL WHICH WAS 5.14 INCHES
BELOW NORMAL. THE HEAVIEST PRECIPITATION FELL OVER HALLOWEEN WEEKEND
WHEN 3.36 INCHES OF RAIN FELL FROM OCTOBER 30TH TO 31ST. THE DRIEST
YEAR ON RECORD WAS IN 2001 WHEN ONLY 34.77 INCHES WAS RECORDED. THE
FOLLOWING TABLE LISTS THE PRECIPITATION AND SNOWFALL AMOUNTS FOR
EACH MONTH OF 2021 INCLUDING DEPARTURES FROM NORMAL.

MONTHLY PRECIPITATION AND SNOWFALL TOTALS FOR 2021 MONTH
PRECIPITATION   SNOWFALL      NOTES JANUARY    2.50  (-1.03)    7.8
(-13.4)  FEBRUARY   3.16  (-0.15)   15.0  (-1.5)  MARCH      1.84  (-
2.33)      T (-19.9)  LEAST SNOWY APRIL      3.94  (-0.44)    0.9  (-
3.9) MAY        2.14  (-1.42)      0  JUNE       0.83  (-3.90) 0
DRIEST JULY       10.47 (+6.74)      0          WETTEST AUGUST 1.69
(-2.15)      0 SEPTEMBER  5.32  (+1.00)      0

OCTOBER    6.62  (+1.20)      0  (-0.6)  NOVEMBER   3.26  (-1.39)
0.4  (-3.4)  DECEMBER   3.23  (+1.36)   11.2  (-6.5) ANNUAL 45.00 (-
5.14)   35.3 (-48.7)

*NOTE THAT THE NWS BEGAN USING NEW 30-YEAR NORMAL VALUES IN MAY OF
2021. THE DEPARTURE FROM NORMAL LISTED HERE IS THE DEPARTURE FROM
THE NORMAL USED AT THE TIME. JANUARY THROUGH APRIL USES THE OLD
NORMAL VALUES, WHILE THE REMAINDER OF THE YEAR AND THE ANNUAL VALUES
ARE REPORTED RELATIVE TO THE NEW 1991-2020 NORMALS.

DAYS WITH AT LEAST 1.00 INCH OF PRECIPITATION IN 2021 DAY
PRECIPITATION JANUARY 16    1.63 FEBRUARY 2    1.09 MARCH 28 1.06
JULY 4        1.28 JULY 9        2.84 JULY 18       1.89 JULY 29
1.34 SEPTEMBER 2   1.21 SEPTEMBER 9   1.35 OCTOBER 16 1.38 OCTOBER
30    1.52 OCTOBER 31    1.84 NOVEMBER 12   1.75


SNOWFALL STATISTICS ARE NORMALLY LISTED BY SEASON RATHER THAN BY
CALENDAR YEAR. HOWEVER, 2021 SAW 35.3 INCHES OF SNOWFALL WHICH WAS
47.8 INCHES BELOW NORMAL AND THE SECOND LEAST ANNUAL SNOWFALL ON
RECORD. THE HEAVIEST SNOWSTORM WAS ON FEBRUARY 1ST AND 2ND WHEN 5.3
INCHES WAS MEASURED. THE FOLLOWING TABLE LISTS THE DAYS WHICH
RECEIVED AT LEAST 6 INCHES OF SNOWFALL IN 2021.

DAYS WITH AT LEAST 6 INCHES OF SNOWFALL IN 2021 DAYS SNOWFALL NONE

$$

SCHROETER


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.