Climatological Report (Seasonal)
Issued by NWS Caribou, ME

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CXUS51 KCAR 080946
CLSBGR

CLIMATE REPORT
NATIONAL WEATHER SERVICE CARIBOU, ME
513 AM EDT SUN SEP 8 2019

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

...THE BANGOR ME CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2019 TO 8/31/2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1925 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             104   08/19/1935
 LOW               29   06/03/1939
HIGHEST            93   07/20        MM      MM       95  08/07
LOWEST             42   06/09        MM      MM       37  06/04
                        06/01
                        06/04
AVG. MAXIMUM     78.1              77.3     0.8     79.3
AVG. MINIMUM     55.9              55.3     0.6     56.6
MEAN             67.0              66.3     0.7     67.9
DAYS MAX >= 90      5               3.6     1.4        7
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        17.07   2006
 MINIMUM         7.78   2016
TOTALS          17.33R                     7.13
DAILY AVG.       0.19              0.11    0.08     0.12
DAYS >= .01        38              33.7     4.3       34
DAYS >= .10        24              20.6     3.4       19
DAYS >= .50        12               7.0     5.0        8
DAYS >= 1.00        6               2.1     3.9        3
GREATEST
 24 HR. TOTAL    3.11   MM                       08/31 TO 08/31

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   2017
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               0.0     0.0      0.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   MM                       08/31 TO 08/31

DEGREE_DAYS
HEATING TOTAL     106               170     -64      144
 SINCE 7/1         16                63     -47        7
COOLING TOTAL     322               288      34      444
 SINCE 1/1        322               294      28      453
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.4
HIGHEST WIND SPEED/DIRECTION    32/010    DATE  06/23
HIGHEST GUST SPEED/DIRECTION    44/360    DATE  06/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)    0
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC             47
NUMBER OF DAYS CLOUDY         21

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
 19
  0
  0
  0
  0
  7
HAZE                      4

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

&&

...SUMMER 2019 NORTHERN AND EASTERN MAINE CLIMATE NARRATIVE...

SUMMER (JUNE THROUGH AUGUST) 2019 FEATURED SLIGHTLY ABOVE AVERAGE
TEMPERATURES, BUT WAS NOT ANYWHERE NEAR AS WARM AS THE PREVIOUS
SUMMER. PRECIPITATION WAS MORE VARIABLE RANGING FROM 65 TO 100
PERCENT OF NORMAL ACROSS THE NORTH AND FROM 150 TO 200 PERCENT OF
NORMAL DOWN EAST.

JUNE WAS A COOL MONTH WITH NO 90 DEGREE TEMPERATURES OBSERVED AT ANY
OF THE LONG TERM CLIMATE SITES.  THE LAST SIGNIFICANT FROST/FREEZE
OF THE SEASON WAS OBSERVED ON THE 1ST OF THE MONTH ACROSS NORTHERN
AND CENTRAL PORTIONS OF THE AREA. RAINFALL WAS ABOVE AVERAGE IN MOST
AREAS AND RANGED FROM 110 TO 150 PERCENT OF AVERAGE.  ACROSS THE FAR
NORTH, PRECIPITATION WAS LESS ABUNDANT AND RANGED FROM 70 TO 100
PERCENT OF AVERAGE.

JULY WAS A MUCH WARMER AND MORE HUMID MONTH AND RANKED AS THE 8TH
WARMEST ON RECORD IN CARIBOU AND THE 7TH WARMEST IN BANGOR. THERE
WERE 3 DAYS WITH A HIGH OF 90 OR WARMER IN CARIBOU, THE MOST SINCE
1989.  IN BANGOR, THERE WERE 5 DAY WITH A HIGH OF 90 OR WARMER, THE
MOST SINCE 1997.  IT WAS ANOTHER WET MONTH DOWN EAST WITH
PRECIPITATION RANGING FROM 130 TO 200 PERCENT OF AVERAGE.  MOST
NORTHERN AREAS WERE RELATIVELY DRY WITH 50 TO 90 PERCENT OF AVERAGE
RAINFALL.

AUGUST FEATURED TEMPERATURES THAT WERE SLIGHTLY ABOVE AVERAGE, BUT
NO EXTREME HEAT WITH NO 90 DEGREE TEMPERATURES OBSERVED AT ANY OF
THE LONG TERM CLIMATE SITES. PRECIPITATION WAS BELOW AVERAGE ACROSS
THE NORTH AND WELL ABOVE AVERAGE ACROSS THE SOUTH.  IN FACT, BANGOR
HAD THE 2ND WETTEST AUGUST ON RECORD WITH 7.54 INCHES OF RAIN
OBSERVED.

FOR THE SUMMER SEASON, CARIBOU HAD 25 DAYS WITH A HIGH OF 80 OR
WARMER, WHICH WAS NEAR AVERAGE. THERE WERE 3 DAYS WITH HIGH OF 90 OR
WARMER, WHICH WAS 1 MORE THAN AVERAGE.  IN BANGOR, THERE WERE 37
DAYS WITH A HIGH OF 80 OR WARMER, WHICH WAS 3 LESS THAN AVERAGE.
THERE WERE 5 DAYS WITH A HIGH OF 90 OR WARMER, WHICH WAS AVERAGE
NUMBER OF 90 DEGREE DAYS FOR THE METEOROLOGICAL SUMMER.

RAINFALL AT CARIBOU FOR THE SUMMER WAS 7.91 INCHES, WHICH WAS 3.41
INCHES BELOW AVERAGE.  IT WAS THE DRIEST SUMMER SINCE 1995 WHEN ONLY
5.60 INCHES OF RAIN WAS OBSERVED, AND RANKED AS THE 5TH DRIEST
SUMMER SINCE WEATHER RECORDS BEGAN IN 1939. PRECIPITATION IN BANGOR
FOR THE SUMMER WAS 17.33 INCHES, WHICH WAS 7.13 INCHES ABOVE
AVERAGE, AND IT RANKED AS THE ALL-TIME WETTEST SUMMER ON RECORD.

IF WE USED THE CARIBOU JUNE THROUGH AUGUST TOTAL EVAPORATION OF
15.31 INCHES AS A PROXY TO COMPARE TO RAINFALL AT ANY OTHER LOCATION
ACROSS THE REGION, IT CAN EASILY BE SEEN WHY THE APPROXIMATE 55
PERCENT RAINFALL/EVAPORATION RATIO AT CARIBOU LEAD TO VERY DRY
GROUND, SEMI-BROWN LAWNS, AND LOW RIVER/STREAM FLOWS ACROSS THE FAR
NORTH BY LATE AUGUST, WHILE THE 110 TO 120 PERCENT RATIO SEEN AT
DOWNEAST LOCATIONS RESULTED IN MUCH THE OPPOSITE THERE. OF COURSE,
ACTUAL EVAPORATION VARIES SOMEWHAT FROM PLACE TO PLACE WITHIN OUR
REGION OVER THE COURSE OF A SUMMER. HOWEVER, AT THIS TIME, SUMMER
DAILY EVAPORATION IS ONLY MEASURED AT CARIBOU OVER THE NORTHERN/
EASTERN MAINE REGION TO MAKE ANY COMPARISONS TO OTHER LOCATIONS.

$$

CB/VJN



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