858
CXUS51 KCAR 052033
CLSCAR

CLIMATE REPORT
NATIONAL WEATHER SERVICE CARIBOU ME
333 PM EDT SAT SEP 05 2026

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

...THE CARIBOU ME CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2026 TO 8/31/2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             96   06/29/1944
 LOW              30   06/07/1958
HIGHEST           91   07/02         MM      MM       94  08/11
                                                          08/12
                                                          08/13
LOWEST            38   06/01         MM      MM       37  06/14
AVG. MAXIMUM    76.0               75.0     1.0     75.7
AVG. MINIMUM    54.2               53.7     0.5     53.5
MEAN            65.1               64.3     0.8     64.6
DAYS MAX >= 90     2                1.7     0.3        6
DAYS MAX <= 32     0                0.0     0.0       MM
DAYS MIN <= 32     0                0.1    -0.1        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       14.59   2023
 MINIMUM        5.90   2020
TOTALS         12.30              11.73    0.57    10.24
DAILY AVG.      0.13               0.13    0.00     0.11
DAYS >= .01       38               41.2    -3.2       29
DAYS >= .10       27               23.7     3.3       19
DAYS >= .50       10                7.8     2.2        7
DAYS >= 1.00       3                2.1     0.9        3
GREATEST
 24 HR. TOTAL   1.26   0MM18 TO 06/19               1.SUMMER 2026 TRENDS:


SNOWFALL (INCHES)
RECORDS
 TOTAL             T   2011
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM                                  MM

DEGREE DAYS
HEATING TOTAL    170                261     -91      256
 SINCE 7/1        70                113     -43       MM
COOLING TOTAL    200                201      -1      247
 SINCE 1/1       200                207      -7       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.6
HIGHEST WIND SPEED/DIRECTION    26/180    DATE  07/21
HIGHEST GUST SPEED/DIRECTION    40/320    DATE  07/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.39
NUMBER OF DAYS FAIR           49
NUMBER OF DAYS PC             30
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             12     MIXED PRECIP               1
HEAVY RAIN               22     RAIN                      24
LIGHT RAIN               53     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      43     FOG W/VIS <= 1/4 MILE      4
HAZE                      4

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

................................................................
...SUMMER 2026 CLIMATE NARRATIVE FOR NORTHERN/EASTERN MAINE...

SUMMER 2026 TRENDS:

CARIBOU:
- MEAN MAXIMUM TEMPERATURES WERE 1.0 DEGREE ABOVE NORMAL. CARIBOU
RECORDED ITS HIGHEST SEASONAL LOW MAXIMUM TEMPERATURE, AT 63
DEGREES. RECORDS GO BACK TO 1939.
- MEAN MINIMUM TEMPERATURES WERE AROUND NORMAL. THE HIGHEST
SEASONAL MINIMUM TEMPERATURE RECORD WAS TIED IN 1ST PLACE THIS YEAR,
AT 71 DEGREES. IT TIED WITH 2024, 2018, 2014, 1975, AND 1970.
- AVERAGE TEMPERATURES WERE 0.8 DEGREES ABOVE NORMAL.
- PRECIPITATION WAS 0.57 INCHES ABOVE NORMAL.

BANGOR:
- MEAN MAXIMUM TEMPERATURES WERE 1.9 DEGREES ABOVE NORMAL.
- MEAN MINIMUM TEMPERATURES WERE 0.8 DEGREES ABOVE NORMAL.
- AVERAGE TEMPERATURES 1.4 DEGREES ABOVE NORMAL.
- PRECIPITATION WAS 4.65 INCHES BELOW NORMAL. INTERESTINGLY ENOUGH,
THIS RESULTED IN A TIE BETWEEN THIS YEAR AND 2025 FOR THE 4TH DRIEST
SUMMER ON RECORD, AT 5.44 INCHES OF RAIN. BANGOR PRECIPITATION DATA
FOR JUNE 12 - 15 WAS MISSING DUE TO A TECHNOLOGICAL ISSUE, SO A
LOCAL WEATHER GAUGE WITHIN 5 MILES OF THE ASOS WAS UTILIZED FOR
PRECIPITATION DATA ON THESE DAYS.

MILLINOCKET:
- MEAN MAXIMUM TEMPERATURES WERE 2.0 DEGREES ABOVE NORMAL.
- MEAN MINIMUM TEMPERATURES WERE 1.7 DEGREES ABOVE NORMAL.
- AVERAGE TEMPERATURES WERE 1.8 DEGREES ABOVE NORMAL.
- PRECIPITATION WAS 1.43 INCHES BELOW NORMAL.

HOULTON:
- MEAN MAXIMUM TEMPERATURES WERE 1.5 DEGREES ABOVE NORMAL.
- MEAN MINIMUM TEMPERATURES WERE 0.6 DEGREES ABOVE NORMAL.
- AVERAGE TEMPERATURES WERE 1.1 DEGREE ABOVE NORMAL.

WEATHER EVENTS:
- CARIBOU ISSUED 5 FLASH FLOOD WARNINGS IN JUNE. THERE WERE 18
FLOOD ADVISORIES ISSUED THROUGHOUT THE SUMMER.
- THERE WERE 36 SEVERE THUNDERSTORM WARNINGS DURING THE SUMMER. 8
OF THESE WERE ISSUED JULY 16TH, AND ANOTHER 8 WERE ISSUED AUGUST
28TH.
- THERE WERE 6 SPECIAL MARINE WARNINGS IN JULY, ALL ISSUED ON JULY
16TH. THE MOST NOTABLE REPORT FROM THIS EVENT WAS A VIDEO OF A
WATERSPOUT MOVING OVER GOULDSBORO BAY!
- CARIBOU ISSUED 4 HEAT ADVISORIES THROUGHOUT THE SUMMER, BUT NO
EXCESSIVE HEAT WARNINGS!
- AT CARIBOU, EVAPORATION AND SOIL TEMPERATURE ARE MEASURED IN THE
WARM SEASON. IN JUNE, JULY, AND AUGUST, WFO CARIBOU MEASURED 11.44
INCHES OF EVAPORATION IN THEIR EVAPORATION TANK. THIS RESULTED IN A
0.86 INCH SURPLUS OF RAINFALL AT CARIBOU, SINCE 12.30 INCHES OF RAIN
FELL THROUGHOUT THE SUMMER.

DROUGHT:
- DROUGHT IMPROVED IN JUNE, WITH ALL OF AROOSTOOK AND MOST OF
CENTRAL WASHINGTON IMPROVING OUT OF DROUGHT. FAR NORTHERN
PISCATAQUIS, NORTH AND CENTRAL PENOBSCOT, MOST OF NORTHERN AND
COASTAL HANCOCK AND COASTAL WASHINGTON, WERE ABNORMALLY DRY (D0). BY
THE END OF JUNE, AROOSTOOK, PISCATAQUIS, NORTHERN SOMERSET, NORTHERN
AND CENTRAL PENOBSCOT, AND NORTHERN HANCOCK COUNTIES WERE OUT OF
DROUGHT. SOUTHERN PENOBSCOT AND WESTERN HANCOCK COUNTY WERE IN
ABNORMALLY DRY (D0) CONDITIONS, WITH FAR SOUTHERN PENOBSCOT IN
MODERATE DROUGHT (D1) CONDITIONS.
- ON JULY 14TH, ABNORMALLY DRY (D0) CONDITIONS EXPANDED INTO
SOUTHWESTERN WASHINGTON COUNTY. WITH A CONTINUED LACK OF BENEFICIAL
RAINFALL, D0 CONDITIONS EXPANDED NORTHWARDS. SOUTHEASTERN
PISCATAQUIS, CENTRAL AND SOUTHERN PENOBSCOT, CENTRAL AND NORTHERN
HANCOCK, ALL OF WASHINGTON, AND SOUTHERN AROOSTOOK ENTERED D0
DROUGHT BY JULY 28TH. FAR SOUTHERN PENOBSCOT AND WESTERN HANCOCK
ENTERED MODERATE DROUGHT (D1).
- ON AUGUST 11TH, THERE WAS A LOT OF DROUGHT EXPANSION, WITH D0
EXPANDING NORTH INTO NORTHERN AND EASTERN AROOSTOOK, NORTHERN,
CENTRAL, AND SOUTHERN PISCATAQUIS, NORTHERN PENOBSCOT, AND COASTAL
WASHINGTON. MODERATE DROUGHT (D1) EXPANDED TO SOUTHERN AROOSTOOK,
CENTRAL AND SOUTHERN PENOBSCOT, NORTHERN AND CENTRAL HANCOCK, AND
NORTHERN WASHINGTON. FAR SOUTHWESTERN HANCOCK CREEPED INTO SEVERE
DROUGHT (D2). BY AUGUST 18TH, MODERATE DROUGHT (D1) CREPT INTO
SOUTHERN, CENTRAL, AND NORTHWESTERN PISCATAQUIS, PORTIONS OF
NORTHERN AROOSTOOK. BY AUGUST 25TH, SEVERE DROUGHT (D2) EXPANDED
MORE INTO WESTERN HANCOCK COUNTY, AND UP TO SOUTHERN PENOBSCOT.
MODERATE DROUGHT EXPANDED FARTHER NORTH, INTO MOST OF NORTHERN
PENOBSCOT, AND NORTHERN PISATAQUIS.
- AGRICULTURAL COMMUNITIES HAVE REPORTED AN INCREASED NEED FOR
IRRIGATION THIS SUMMER, AND INCREASED DRYNESS IN PLANTS.
- NORTHERN MAINE IS ROUGHLY 75-100 PERCENT OF NORMAL FOR
PRECIPITATION, SO THE DROUGHT DEGRADED SLOWER IN THE NORTH COMPARED
TO CENTRAL AND EASTERN MAINE.

CLIMATE OUTLOOK:
- TEMPERATURES: FOR FALL (SEPTEMBER, OCTOBER, NOVEMBER), CLIMATE
PREDICTION CENTER (CPC) IS FORECASTING ABOVE NORMAL TEMPERATURES IN
NORTHERN AND EASTERN MAINE.
- PRECIPITATION: FOR FALL, CPC IS FORECASTING BELOW NORMAL
PRECIPITATION IN NORTHERN AND EASTERN MAINE.
- ENSO: PER CPC, EL NINO CONDITIONS ARE PRESENT, WITH AN EL NINO
ADVISORY IN EFFECT. EL NINO CONTINUES TO STRENGTHEN, WITH A 90
PERCENT CHANCE OF A VERY STRONG EVENT IN FALL/WINTER 2026-2027.

$$

ASB