Climatological Report (Monthly)
Issued by NWS Caribou, ME

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CXUS51 KCAR 021240
CLMBGR

CLIMATE REPORT
NATIONAL WEATHER SERVICE CARIBOU ME
820 AM EDT FRI JUN 02 2023

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

...THE BANGOR ME CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1925 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             96   05/22/1992
 LOW              23   05/03/1946
                       05/02/1943
                       05/01/1943
HIGHEST           91   05/28         MM      MM       91  05/14
LOWEST            32   05/18         MM      MM       30  05/08
AVG. MAXIMUM    67.7               65.7     2.0     69.7
AVG. MINIMUM    41.6               43.3    -1.7     43.7
MEAN            54.6               54.5     0.1     56.7
DAYS MAX >= 90     1                0.3     0.7        1
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     1                1.7    -0.7        2
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.65   1989
 MINIMUM        0.53   1982
TOTALS          2.95                      -0.39
DAILY AVG.      0.10               0.11   -0.01     0.07
DAYS >= .01        9               12.4    -3.4        9
DAYS >= .10        5                8.0    -3.0        6
DAYS >= .50        3                2.0     1.0        1
DAYS >= 1.00       1                0.5     0.5        0
GREATEST
 24 HR. TOTAL   1.37   04/30 TO 05/01               0.87  05/28 TO 05/28

SNOWFALL (INCHES)
RECORDS
 TOTAL           5.2   1963
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1       72.6               74.6    -2.0       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    320                333     -13      265
 SINCE 7/1      6601               7527    -926       MM
COOLING TOTAL      7                  7       0       14
 SINCE 1/1         7                  7       0       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.5
HIGHEST WIND SPEED/DIRECTION    33/120    DATE  05/01
                                33/320          05/17
HIGHEST GUST SPEED/DIRECTION    53/130    DATE  05/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.47
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       4
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

&&

...MAY 2023 CLIMATE NARRATIVE FOR NORTHERN/EASTERN MAINE...

MAY 2023 FOR THE REGION FINISHED WITH NEAR TO SLIGHTLY BELOW AVERAGE
TEMPERATURES AND A LITTLE BELOW AVERAGE FOR TOTAL PRECIPITATION.

AVERAGE TEMPS FOR THE MONTH RANGED FROM NEAR AVERAGE FOR DOWNEAST
AND CENTRAL PORTIONS OF THE REGION TO ONE DEGREE BELOW AVERAGE
ACROSS THE NORTH. TYPICAL FOR MAY, DAY TO DAY TEMPERATURE DEPARTURES
RAN UP AND DOWN DURING THE COURSE OF THE MONTH, WITH ESPECIALLY COOL
SPELLS NOTED DURING THE 16TH THROUGH 18TH AND AGAIN DURING THE 24TH
TO 26TH WHERE DAILY TEMPERATURE DEPARTURES RAN UPWARDS TO 10 TO 15
DEGREES BELOW AVERAGE. MOST LOCATIONS EXPERIENCED THERE LOWEST TEMPS
OF THE MONTH AROUND THE FREEZING POINT ON THE 18TH OR 23RD. ON THE
OTHER SIDE OF THE SCALE, WARMEST TEMPERATURES OF THE MONTH WERE
EXPERIENCED ON THE 31ST WHERE MANY NON-HIGH TERRAIN LOCATIONS INLAND
FROM THE DOWNEAST COAST EXPERIENCED AFTERNOON HIGHS OF UPPER 80S TO
LOWER 90S WITH DAILY DEPARTURES UPWARDS TO 15 TO 20 DEGREES ABOVE
AVERAGE.

AVERAGE TOTAL PRECIPITATION FOR THE MONTH ACROSS THE ENTIRE REGION
RANGED FROM 80 TO 95 PERCENT WITH SIGNIFICANT DAILY AMOUNTS RECORDED
ACROSS ALL OR PARTS OF THE REGION ON THE 1ST, 12TH, 21ST AND 24TH-
25TH. THE LAST SNOW FLURRIES OF PREVIOUS COLD SEASON FELL ACROSS THE
NORTH DURING THE COLD BLUSTERY CONDITIONS EXPERIENCED ON THE 17TH.

TOTAL EVAPORATION AS MEASURED AT CARIBOU FOR MAY WAS APPROXIMATELY
5.40 INCHES. TOTAL RAINFALL A CARIBOU FOR THIS SAME PERIOD WAS 2.79
INCHES, OR ABOUT 52 PERCENT OF THE TOTAL EVAPORATION. AT BANGOR, THE
TOTAL JUNE RAINFALL WAS 2.95 INCHES, OR ONLY 55 PERCENT OF THE PROXY
CARIBOU EVAPORATION, MEANING THAT MUCH, IF NOT ALL OF OUR REGION
EXPERIENCED SIGNIFICANT DRYING FROM TYPICAL WET CONDITIONS FROM MUD
SEASON (SNOW AND FROST MELT) LAST MONTH.

THE CLIMATE PREDICTION CENTER`S OUTLOOK FOR THE MONTH OF JUNE 2023
IS CALLING FOR SLIGHTLY INCREASED ODDS OF ABOVE AVERAGE TEMPERATURE
AND EQUAL ODDS OF BELOW, NEAR, OR ABOVE AVERAGE PRECIPITATION FOR
OUR REGION. NORMAL JUNE TEMPS FOR THE 1991-2020 PERIOD FOR NORTHERN
(DOWNEAST) MAINE ARE LOWS OF AROUND 50 (LOWER 50S) AND HIGHS OF
LOWER 70S (MID TO UPPER 70S, EXCEPT AROUND 70 ALONG THE COAST).
NORMAL JUNE PRECIPITATION FOR THE ENTIRE ENTIRE REGION IS 3.50 TO
4.00 INCHES.

$$

VJN/CB


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