Climatological Report (Monthly)
Issued by NWS Caribou, ME

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CXUS51 KCAR 051334
CLMBGR

CLIMATE REPORT
NATIONAL WEATHER SERVICE CARIBOU ME
934 AM EDT TUE AUG 05 2025

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

...THE BANGOR ME CLIMATE SUMMARY FOR THE MONTH OF JULY 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1925 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             99   07/14/1995
                       07/30/1949
                       07/04/1949
 LOW              37   07/16/1946
HIGHEST           93   07/29         MM      MM       89  07/14
                                                          07/17
LOWEST            51   07/19         MM      MM       50  07/02
                       07/22
AVG. MAXIMUM    81.0               80.4     0.6     82.5
AVG. MINIMUM    60.1               58.6     1.5     61.9
MEAN            70.6               69.5     1.1     72.2
DAYS MAX >= 90     4                2.2     1.8        0
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        7.67   2021
 MINIMUM        0.27   1952
TOTALS          0.81                      -2.35
DAILY AVG.      0.03               0.10   -0.07     0.09
DAYS >= .01        8               10.9    -2.9       13
DAYS >= .10        1                6.8    -5.8        4
DAYS >= .50        0                2.2    -2.2        2
DAYS >= 1.00       0                0.7    -0.7        0
GREATEST
 24 HR. TOTAL   0.48   07/20 TO 07/20               0.99  07/23 TO 07/23

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
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      1                 16     -15        1
 SINCE 7/1         1                 11     -10       MM
COOLING TOTAL    182                156      26      231
 SINCE 1/1       258                221      37       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
HIGHEST WIND SPEED/DIRECTION    28/320    DATE  07/18
HIGHEST GUST SPEED/DIRECTION    37/330    DATE  07/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.59
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      4
HAZE                     11

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

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

...JULY 2025 CLIMATE NARRATIVE FOR NORTHERN/EASTERN MAINE...

The July 2025 season wrapped up with above average temperatures. There was near average precipitation in northern Maine, but significantly below average precipitation in central and southern Maine.

Temperatures were above average throughout northern and central Maine, with monthly averages generally ranging from 0.5-2 degrees Fahrenheit above climatological normals. Monthly maximum temperatures were above normal by generally 1-2 degrees, with greatest deviations  found in Millinocket, around 1.8 degrees Fahrenheit. Both Caribou and Bangor recorded deviations around 1.5 degrees Fahrenheit above normal. Houlton high temperatures were also above average by 0.9 degrees Fahrenheit. July 7th was one of the hottest days for northern and central Maine this month, with temperatures that reached into heat advisory criteria Downeast.

Monthly minimum temperatures were generally 1.3-2.3 degrees Fahrenheit above normal, indicating some warmer overnight lows throughout the month, with Millinocket and Houlton seeing the highest deviations around 2.3 degrees Fahrenheit. Caribou and Bangor were 1.3 and 1.5 degrees above normal, respectively.

Rainfall for the region was about average in northern Maine, around the North Woods, central Aroostook, and northern portions of the Central Highlands. Central Maine was below average, and Bangor region and Downeast Maine were significantly below normal. Caribou averaged 4.47 inches of rain this July, which is roughly 0.24 inches above average based on climatological normals. That being said, Caribou evaporation amounts totaled up to 5.77 inches in July this year, resulting in a precipitation deficit for the area. Houlton averaged 4.00 inches of precipitation, which is 0.37 inches above normal. Things get drier as we enter central and southern Maine however, with Bangor only averaging 0.81 inches of rain this July, which is 2.35 inches below normal. This is the 4th driest July on record for Bangor, since 1926. Millinocket only averaged 1.84 inches of precipitation, which is 2.59 inches below normal, and the 11th driest July on record since 1903. On July 1st, northern Maine was not in any drought, and as of J
uly 29th, there are still no drought conditions indicated in Maine. Short term composite drought indicators have a potential for some abnormally dry conditions to persist in central and southern Maine, but clearing up by the mid/long term period.


For the August seasonal outlook, the Climate Prediction Center (CPC) is predicting above average temperatures for the northeast. There are no strong signals for above or below average precipitation chances for August. Average temperatures for August are usually in the mid to upper 60s. Average high temperatures are generally in the mid to upper 70s, and average low temperatures are generally in the mid 50s.

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