Climatological Report (Seasonal) Issued by NWS Caribou, ME
000
CXUS51 KCAR 031953
CLSCAR
CLIMATE REPORT
NATIONAL WEATHER SERVICE CARIBOU ME
340 PM EDT SUN SEP 03 2023
...................................
...THE CARIBOU ME CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2023 TO 8/31/2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2023
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 93 06/01 MM MM 89 08/07
LOWEST 41 06/03 MM MM 38 06/01
06/04
06/21
AVG. MAXIMUM 74.1 75.0 -0.9 75.3
AVG. MINIMUM 56.3 53.7 2.6 53.8
MEAN 65.2 64.3 0.9 64.6
DAYS MAX >= 90 3 1.7 1.3 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.1 -0.1 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 12.48 2022
MINIMUM 5.90 2020
TOTALS 14.59 11.73 2.86 12.48
DAILY AVG. 0.16 0.13 0.03 0.14
DAYS >= .01 49 41.2 7.8 44
DAYS >= .10 30 23.7 6.3 28
DAYS >= .50 9 7.8 1.2 8
DAYS >= 1.00 2 2.1 -0.1 2
GREATEST
24 HR. TOTAL 1.91 08/30 TO 08/30 1.54 07/18 TO 07/19
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 0.0 MM
DEGREE DAYS
HEATING TOTAL 249 261 -12 226
SINCE 7/1 79 113 -34 MM
COOLING TOTAL 293 201 92 215
SINCE 1/1 304 207 97 MM
................................................................
WIND (MPH)
AVERAGE WIND SPEED 5.8
HIGHEST WIND SPEED/DIRECTION 25/240 DATE 07/07
HIGHEST GUST SPEED/DIRECTION 36/250 DATE 08/31
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.57
NUMBER OF DAYS FAIR 27
NUMBER OF DAYS PC 36
NUMBER OF DAYS CLOUDY 29
AVERAGE RH (PERCENT) 77
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 16 MIXED PRECIP 0
HEAVY RAIN 13 RAIN 29
LIGHT RAIN 59 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 58 FOG W/VIS <= 1/4 MILE 10
HAZE 4
- INDICATES NEGATIVE NUMBERS.
* INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
...NORTHERN/EASTERN MAINE SUMMER 2023 CLIMATE MONTHLY SUMMARY...
METEOROLOGICAL SUMMER (JUNE THROUGH AUGUST) FINISHED WITH ABOVE
AVERAGE TEMPERATURES AND ABOVE AVERAGE PRECIPITATION.
TEMPERATURES FOR THE 3-MONTH PERIOD AVERAGED FROM 1 TO 2 DEGREES
ABOVE THE 30-YEAR AVERAGE, EXCEPT ALONG THE COAST WHERE TEMPERATURES
WERE CLOSE TO THE 1991-2020 AVERAGE. PRECIPITATION WAS ABOVE TO
WELL ABOVE AVERAGE AND RANGED FROM 125 TO 200 PERCENT OF NORMAL. THE
GREAT DEPARTURES FROM AVERAGE WERE IN PARTS OF COASTAL WASHINGTON
COUNTY AS WELL AS PORTIONS OF THE CENTRAL HIGHLANDS AS WELL AS
SOUTHWEST PENOBSCOT COUNTY.
IN CARIBOU IT TIED WITH 1990 AS THE 10TH WARMEST SUMMER ON RECORD.
IN HOULTON IT WAS THE 13TH WARMEST ON RECORD. MILLINOCKET AND
BANGOR BOTH ENDED UP WITH THE 30TH WARMEST SUMMER ON RECORD WITH
BANGOR IN A TIE FOR 30TH PLACE WITH 2012.
IN CARIBOU IS WAS THE 12TH WETTEST SUMMER ON RECORD WITH 14.59
INCHES OF RAIN. IN HOULTON IT TIED WITH 1977 AS THE 11TH WETTEST ON
RECORD WITH 15.13 INCHES. MILLINOCKET WHICH HAS A MUCH LONGER PERIOD
OF RECORD DATING BACK TO 1903 OBSERVED THEIR 5TH WETTEST SUMMER ON
RECORD WITH 18.22 INCHES OF RAIN. FINALLY IN BANGOR WAS THE 10TH
WETTEST SUMMER ON RECORD WITH 13.89 INCHES OF RAIN. TOTAL
EVAPORATION FOR THE SUMMER AS MEASURED BY THE CARIBOU WEATHER
STATION EVAPORATION PAN WAS 12.24 INCHES, MEANING THAT SUMMER
RAINFALL AT MOST LOCATIONS IN THE REGION WELL EXCEEDED THIS AMOUNT,
WITH PLENTY OF EXCESS RAINFALL CONTRIBUTING TO HIGHER STREAM AND
RIVER LEVELS ACROSS THE REGION AS A WHOLE COMPARED TO RECENT PAST
SUMMERS.
JUNE 2023 WILL BE MOSTLY REMEMBERED FOR CLOUDY, COOL, AND RAINY
CONDITIONS FOR NORTHERN/EASTERN MAINE. AT CARIBOU, THE 7 DAY PERIOD
FROM THE 3RD THROUGH THE 9TH WAS THE LONGEST STRETCH OF CONSECUTIVE
SUB-60 DEGREE HIGH TEMPS RECORDED IN JUNE. ANOTHER INTERESTING
FEATURE OF THIS MONTH WAS THE LACK OF SEVERE WEATHER WITH NO REPORTS
OF HAIL SIZE EQUAL OR GREATER THAN 1 INCH DIAMETER OR WIND GUSTS (OR
EQUIVALENT DAMAGE) EQUAL OR GREATER THAN 58 MPH, MARKING ONLY THE
3RD JUNE OF THIS OCCURRING ALONG WITH 2014 AND 2019.
JULY 2023 WILL BE REMEMBERED FOR VERY WARM AND HUMID CONDITIONS FOR
NORTHERN/EASTERN MAINE WITH NEAR TO ABOVE AVERAGE RAINFALL. IN
CARIBOU IT WAS THE ALL-TIME WARMEST MONTH ON RECORD SINCE WEATHER
RECORD BEGAN IN 1939. IN HOULTON AND MILLINOCKET IT WAS THE 2ND
WARMEST JULY ON RECORD, AND IN BANGOR IT WAS THE 4TH WARMEST ON
RECORD. A PERSISTENT SOUTH TO SOUTHWEST FLOW MADE FOR A FEW HUMID
MONTH AND VERY WARM OVERNIGHT LOWS WERE PRIMARILY RESPONSIBLE FOR
THE RECORD TO NEAR RECORD WARMTH. THERE WAS A CONTINUED LACK OF
SEVERE WEATHER WITH ONLY A HANDFUL OF REPORTS ALL MONTH OF TREES
DOWN DUE TO STRONG WIND ASSOCIATED WITH THUNDERSTORMS.
AUGUST 2023 WILL BE REMEMBERED FOR COOLER THAN AVERAGE TEMPERATURES
AND WELL ABOVE AVERAGE RAINFALL. IN CARIBOU, THERE WERE NO 80 DEGREE
DAYS THE ENTIRE MONTH. THE ONLY OTHER TIME THIS HAS OCCURRED SINCE
WEATHER RECORDS BEGAN IN 1939 WAS BACK IN 1972. RAINFALL ACROSS THE
REGION THIS PAST AUGUST WAS WELL ABOVE AVERAGE AND RANGED FROM 150
TO 200 PERCENT OF NORMAL, AND WAS SPREAD OUT FAIRLY EVENLY ACROSS
THE MONTH. AUGUST HAD THE MOST REPORTS OF SEVERE THUNDERSTORMS OF
ANY MONTH THIS SUMMER. ON AUGUST 13TH THERE WERE SEVERAL SEVERE
THUNDERSTORMS THAT KNOCKED DOWN TREES AND PRODUCED LARGE HAIL IN
PORTIONS OF AROOSTOOK, PISCATAQUIS, AND PENOBSCOT COUNTIES.
THE OUTLOOK FOR FALL (SEPTEMBER-NOVEMBER) 2023 IS CALLING FOR
GREATER ODDS OF ABOVE NORMAL TEMPS AND EQUAL ODDS OF BELOW, NEAR
NORMAL, OR ABOVE NORMAL PRECIPITATION.
$$
VJN/CB