Portland Maine S All-Time Records for the Month of January

Portland Maine’s All-Time Annual Records

Updated 1-15-11

Temperature records since November 25, 1940

Precipitation records since January 15, 1871

Snowfall records since January 1, 1882

Sea Level Pressure records since Feb. 1871

Daily Temperature Records:

Warmest Temperature…….. 103 degrees on August 2, 1975

Coldest Temperature……… -39 degrees on February 16, 1943

Warmest Low……………... 74 degrees on July 17, 1969,

August 5, 1988 & August 2, 2006

Coldest High………………. -3 degrees January 15, 1957

Warmest Average………… . 88 degrees on August 2, 1975

Coldest Average…………… -16 degrees on February 15th & 16th, 1943

Greatest Range…………….. 54 degrees on March 29, 1946

Smallest Range……………. 1 degree on Februay 8, 1971 &

March 22, 1945

Monthly Temperature Records:

Warmest Month….....……. 72.4 degrees - July 1974

Coldest Month…..……….. 12.2 degrees - January 1971

Warmest Average High….. 84.7 degrees - July 1952

Coldest Average High…… 23.1 degrees - January 1971

Warmest Average Low…... 62.6 degrees - July 2006

Coldest Average Low……. 1.2 degrees - January 1971

Greatest Range…………… 95 degrees - Feb. 1943 (max 56, min -39)

Smallest Range…………... 30 degrees - July 2004 (max 82, min 52)

Daily Precipitation Records:

24 Hour Maximum……… 13.32 inches - October 20th-21st, 1996

Daily Snowfall Records:

24 Hour Maximum……… 24.4 inches - January 17th-18th, 1979

Monthly Precipitation Records:

Wettest Month…..………. 16.86 inches - October 1996

Second Wettest Month….. 15.22 inches - August 1991

Driest Month….………… 0.04 inches - February 1987

Most Days with Pcpn….… 25 in January 1950 (T or more)

Least Days with Pcpn…… 3 in Feb. 1872 & Aug. 1876

(trace or more)

Monthly Snowfall Records:

Most Snow………………. 62.4 inches in Januray 1979

Least Snow……………… 0.0 inches

Most Consecutive Days:

Precipitation (trace or more)… 16 – May 9th-24th, 2006

Second Most Pcpn (t or more) … 14 - January 7th-20th, 1975;

May 18th-31st, 1979 &

November 2nd-15th, 1969

Measurable Precipitation……. 14 - November 2nd-15th, 1969

No Precipitation (T or more)... 17 - October 12th-28th, 1947

No Measurable Precipitation… 28 - October 1st-28th, 1947

Sea Level Pressure:

Highest………………………. 31.10 inches on February 13, 1981

Lowest……………………….. 28.40 inches on December 2, 1942

Annual Records:

Warmest Year………………. 49.2 degrees – 2010

2nd warmest year………… 48.5 degrees - 2006

Coldest Year………………… 43.3 degrees - 1962

Wettest Year………………… 66.45 inches - 2005

Driest Year………………….. 25.27 inches - 1941

Snowiest Season…………….. 141.5 inches - 1970/1971

Least Snowiest Season……… 27.5 inches - 1979/80

Sunniest Year……………….. 1944 with 3023 hours & 18 minutes

of sunshine (68 percent of possible).

Least Sunniest Year………… 1972 with 2117 hours & 12 minutes

of sunshine (47 percent of possible)

(note – sunshine records from 1894 through 1994)

end/sjc