July 2017 Climate Outlook

                                                          ...A STATISTICAL PREVIEW OF CARIBOU'S JULY WEATHER...

During the month of July the average high temperature peaks out at 76 degrees at Caribou from the 6th through the 31st .  The average low peaks out at 56 degrees from the 14th through the 28th.  Climatologically the warmest temperatures are from mid-late July.  The all-time warmest month at Caribou was July 1970.

The warmest temperature ever observed during the month of July was 95 degrees.  A high of 95 has been observed several times during the month of July, and most recently on July 19th and 20th 1991.  The coldest temperature ever observed in July was 36 degrees on July 7, 1969.  A low temperature in the 30s has never been observed from July 8th -31st .

Thunderstorms are observed on average of 7 days during the month of July at Caribou.  Severe weather peaks during the month of July with more reports of large hail and damaging winds than any other month.  July is typically the wettest month of the year at Caribou and is the only month to average over 4 inches of rain.

Although rare, there is the possibility of a tropical system developing and impacting the eastern seaboard including northern and eastern Maine during the month of July, with hurricane Arthur affecting northern and eastern Maine during July 4th weekend just three years ago in 2014.

JULY: CARIBOU’S TOP 5 WARMEST (AVERAGE TEMPERATURES):

69.6 DEGREES IN 1970

69.5 1952

69.4 1959

69.3 2010

69.1 1995

JULY: CARIBOU’S TOP 5 COLDEST (AVERAGE TEMPERATURES):

60.2 DEGREES IN 1992

60.3 1962

61.0 1956

61.4 1954

61.5 1965

JULY: CARIBOU’S TOP 5 WETTEST

7.96 INCHES IN 2011

7.27 2013

7.06 2014

6.83 1951 & 1957

JULY: CARIBOU’S TOP 5 DRIEST

0.96 INCH IN 1991

1.48 1995

1.73 2012

1.75 1977

1.97 1942

…JULY  STATISTICS…

….TEMPERATURES (1981-2010 NORMALS)

AVERAGE HIGH……………………….....................................76.0

AVERAGE LOW………...........................................................55.2

MONTHLY AVERAGE…………………………………………..65.6

AVERAGE # OF DAYS W/LOWS <50F……………………..5

AVERAGE # OF DAYS W/HIGHS > 70F……………………24

AVERAGE # OF DAYS W/HIGHS > 80F…………………….9

…PRECIPITATION…

MONTHLY AVERAGE………………………………………….....4.08 INCHES

AVERAGE DAYS WITH MEASURABLE PRECIPITATION…..14

LARGEST 24 HOUR RAINFALL……………………..…………..3.81 INCHES 2013

MISCELLANEOUS JULY AVERAGES…

NORMAL HEATING DEGREE DAYS………………………..…58

NORMAL COOLING DEGREE DAYS……………………….…77

MEAN WIND SPEED……………………………………………..6.8 MPH

AVERAGE NUMBER OF DAYS W/DENSE FOG…………..…3 (2.5)

MEAN NUMBER OF CLOUDY DAYS………………………….15 (14.7)

…SUNRISE AND SUNSET…

JULY 1^ST………………………………………………..………..….4:42 AM/8:30 PM

JULY  31^ST  .…………………………………………….…………..5:11 AM/8:06 PM

DAYLIGHT LOST……………………………………………….….53 MINUTES.

Here is the outlook from the Climate Prediction Center for the month of July.  There is an increased likelihood of above average temperatures across northern and eastern Maine.  There are currently no strong climate signals that would point toward an unusually wet or dry month.