Climatological Report (Monthly)
Issued by NWS Caribou, ME
Issued by NWS Caribou, ME
999
CXUS51 KCAR 012115
CLMCAR
CLIMATE REPORT
NATIONAL WEATHER SERVICE CARIBOU ME
513 PM EDT WED NOV 01 2023
...................................
...THE CARIBOU ME CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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 82 10/09/2011
LOW 14 10/19/1972
10/22/1940
HIGHEST 79 10/03 10000 -9921 73 10/06
LOWEST 27 10/31 MM MM 26 10/03
AVG. MAXIMUM 58.9 53.2 5.7 61.5
AVG. MINIMUM 43.4 35.9 7.5 38.1
MEAN 51.1 44.5 6.6 49.8
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 1 0.1 0.9 0
DAYS MIN <= 32 5 12.4 -7.4 10
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.73 1990
MINIMUM 0.63 1955
TOTALS 4.10 0.11
DAILY AVG. 0.13 0.13 0.00 0.14
DAYS >= .01 18 13.5 4.5 9
DAYS >= .10 10 7.9 2.1 6
DAYS >= .50 3 2.6 0.4 4
DAYS >= 1.00 0 0.9 -0.9 2
GREATEST
24 HR. TOTAL 1.30 10/07 TO 10/08 1.76 10/14 TO 10/15
SNOWFALL (INCHES)
RECORDS
TOTAL 12.1 1963
TOTALS 3.3 1.7 1.6 0.0
SINCE 7/1 3.3 1.8 1.5 MM
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 1 0.4 0.6 0
GREATEST
SNOW DEPTH 3 10/31 0 MM
24 HR TOTAL MM MM
DEGREE DAYS
HEATING TOTAL 421 634 -213 465
SINCE 7/1 663 1016 -353 MM
COOLING TOTAL 1 0 1 0
SINCE 1/1 351 224 127 MM
................................................................
WIND (MPH)
AVERAGE WIND SPEED 6.3
HIGHEST WIND SPEED/DIRECTION 25/090 DATE 10/08
HIGHEST GUST SPEED/DIRECTION 44/090 DATE 10/08
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.71
NUMBER OF DAYS FAIR 4
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 17
AVERAGE RH (PERCENT) 80
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 9
LIGHT RAIN 18 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 2 SLEET 0
FOG 23 FOG W/VIS <= 1/4 MILE 6
HAZE 0
- INDICATES NEGATIVE NUMBERS.
* INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
---------------------------------------------------------------------
...NORTHERN/EASTERN MAINE OCTOBER 2023 CLIMATE MONTHLY SUMMARY...
OCTOBER 2023 WAS MUCH WARMER THAN NORMAL WITH ABOVE AVERAGE
PRECIPITATION ACROSS MOST OF THE REGION.
TEMPERATURES AVERAGED FROM 6 TO 7 DEGREES (F) ABOVE THE 1991- 2020
NORMALS. PRECIPITATION WAS MORE VARIABLE ACROSS THE REGION AND
RANGED FROM 110 TO 150 PERCENT OF NORMAL ACROSS THE DOWNEAST REGION
AND MOST OF NORTHERN MAINE. THERE WAS A SMALLER AREA ACROSS NORTHERN
AND CENTRAL PENOBSCOT COUNTY AND SOUTHEAST AROOSTOOK COUNTY WHERE
PRECIPITATION RANGED FROM 75 TO 90 PERCENT OF NORMAL.
IN CARIBOU IT WAS THE 2ND WARMEST OCTOBER ON RECORD BEHIND ONLY
2017. WEATHER RECORD IN CARIBOU BEGAN IN 1939. BANGOR AND
MILLINOCKET ALSO OBSERVED THEIR 2ND WARMEST OCTOBERS ON RECORD
BEHIND 2017. WEATHER RECORDS IN BANGOR BEGAN IN LATE 1925 AND IN
MILLINOCKET IN 1903. IN HOULTON, IT TIED FOR THE WARMEST OCTOBER ON
RECORD WITH 2017. WEATHER RECORDS IN HOULTON BEGAN IN 1948.
OCTOBER WAS CONSISTENTLY A VERY MILD MONTH WITH ABOVE AVERAGE
TEMPERATURES EVERY DAY FROM THE 1ST TO THE 23RD OF THE MONTH AT
CARIBOU, AND IN BANGOR THERE WAS ONLY ONE DAY WITH BELOW AVERAGE
TEMPERATURES FROM THE 1ST THROUGH THE 28TH. IT DID TURN SHARPLY
COLDER AT THE END OF THE MONTH WITH BELOW AVERAGE TEMPERATURES THE
LAST FEW DAYS OF THE MONTH. SEVERAL HIGH TEMPERATURE RECORDS AS WELL
AS RECORD WARM LOW TEMPERATURES WERE OBSERVED DURING THE MONTH.
THE FIRST SUB-FREEZING TEMPERATURE OF THE MONTH WAS OBSERVED AT
CARIBOU ON THE 24TH WHICH WAS THE 2ND LATEST ON RECORD BEHIND
OCTOBER 30, 2020. IN HOULTON THE FIRST SUB-FREEZING TEMPERATURE WAS
OBSERVED ON 23RD, WHICH WAS THE LATEST ON RECORD. THE OLD RECORD WAS
OCTOBER 21, 1957. IN BANGOR, THE FIRST SUB-FREEZING TEMPERATURE WAS
OBSERVED ON THE 31ST, WHICH WAS THE 4TH LATEST ON RECORD.
THE FIRST SNOWFALL OF THE SEASON WAS OBSERVED ON THE 30TH WITH
AMOUNTS MOSTLY RANGING FROM 2 TO 4 INCHES FROM NORTHER WASHINGTON
COUNTY AND SOUTHERN PISCATAQUIS COUNTY NORTH TO THE SAINT JOHN
VALLEY. THE 3.3 INCHES OF SNOW THAT WAS OBSERVED IN CARIBOU ON THE
30TH BROKE THE PREVIOUS DAILY RECORD OF 2.3 INCHES SET IN 1941.
FALL FOLIAGE PEAKED DURING THE FIRST WEEK OF THE MONTH ACROSS THE
NORTH AND BY THE MIDDLE OF THE MONTH ACROSS THE DOWNEAST REGION.
THE CLIMATE PREDICTION CENTER`S OUTLOOK FOR THE MONTH OF NOVEMBER
2023 INDICATES THAT THE ODDS ARE SLIGHTLY TILTED TOWARD BELOW
AVERAGE TEMPERATURES. THERE ARE NO STRONG CLIMATE SIGNALS THAT POINT
TOWARD IT BEING AN UNUSUALLY WET (SNOWY) MONTH OR UNUSUALLY DRY.
AVERAGE HIGH TEMPERATURES RANGE FROM THE MID 40 TO LOW 50S (FROM
NORTH TO SOUTH) AT THE START OF THE MONTH, AND RANGE FROM THE THE
UPPER 30S TO MID 40S BY THE END OF THE MONTH. AVERAGE LOW
TEMPERATURES RANGE FROM NEAR 40F AT THE START OF THE MONTH DOWNEAST
TO THE LOW TO MID 20S BY THE END OF THE MONTH. ACROSS THE FAR NORTH,
AVERAGE LOWS DROP FROM THE LOW 30S AT THE START OF THE MONTH TO THE
UPPER TEENS BY THE END OF THE MONTH.
LIQUID PRECIPITATION DURING THE MONTH OF NOVEMBER AVERAGES FROM 3.25
TO 4 INCHES DURING THE MONTH, AND SNOWFALL AVERAGES RANGE FROM 4.3
INCHES IN BANGOR TO 10.4 IN CARIBOU. ON AVERAGE NOVEMBER IS THE
CLOUDIEST MONTH OF THE YEAR ACROSS THE REGION. SNOWFALL IS POSSIBLE
ANYTIME IN NOVEMBER, BUT THE LIKELIHOOD AND FREQUENCY OF LARGER
SNOWFALL EVENTS INCREASES MOST RAPIDLY DURING THE 2ND HALF OF THE
MONTH. NEARLY 2 HOURS OF DAYLIGHT IS LOST DURING THE MONTH OF
NOVEMBER, AND DAYLIGHT SAVINGS TIME ENDS THIS YEAR ON SUNDAY,
NOVEMBER 5TH.
$$
CB/VJN