Record envelope, standing records and threshold days for Millinocket Muni AP (USW00014610), Maine, United States, with 83 years of record.
Key Facts for Millinocket Muni AP
Millinocket Muni AP (USW00014610) is a weather station in Maine, United States at 45.65 latitude and -68.69 longitude, 122 m (401 ft) above sea level.
The station reports from 1944 to 2026, 83 years of record.
1,464 records set at Millinocket Muni AP still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Millinocket Muni AP set a daily record high minimum temperature of 20.6 C (69.1 F) on 9 August 2026.
About the Station
Location: Maine, United States, 45.65 latitude, -68.69 longitude.
Elevation: 122 m (401 ft).
Period of record: 1944 to 2026, 83 years.
Eligible elements: tmax, tmin, prcp.
Daily Record Envelope and 2026
7 days at or beyond a record
Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Millinocket Muni AP. The lines show the 2026 daily maximum and minimum. 7 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Millinocket Muni AP, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
13.3 C (55.9 F)
-36.1 C (-33.0 F)
6.7 C (44.1 F)
-22.8 C (-9.0 F)
Feb
13.9 C (57.0 F)
-35.6 C (-32.1 F)
7.2 C (45.0 F)
-23.3 C (-9.9 F)
Mar
26.7 C (80.1 F)
-31.1 C (-24.0 F)
21.1 C (70.0 F)
-18.9 C (-2.0 F)
Apr
30.0 C (86.0 F)
-19.4 C (-2.9 F)
22.2 C (72.0 F)
-8.3 C (17.1 F)
May
33.3 C (91.9 F)
-6.7 C (19.9 F)
30.0 C (86.0 F)
-1.1 C (30.0 F)
Jun
36.1 C (97.0 F)
-2.2 C (28.0 F)
31.7 C (89.1 F)
0.6 C (33.1 F)
Jul
36.7 C (98.1 F)
3.3 C (37.9 F)
33.9 C (93.0 F)
10.0 C (50.0 F)
Aug
36.7 C (98.1 F)
1.1 C (34.0 F)
32.8 C (91.0 F)
8.3 C (46.9 F)
Sep
35.6 C (96.1 F)
-4.4 C (24.1 F)
25.0 C (77.0 F)
0.6 C (33.1 F)
Oct
29.4 C (84.9 F)
-8.3 C (17.1 F)
23.9 C (75.0 F)
-0.6 C (30.9 F)
Nov
23.3 C (73.9 F)
-17.7 C (0.1 F)
n/a
n/a
Dec
15.6 C (60.1 F)
-32.8 C (-27.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Millinocket Muni AP still stand. 1945 holds the most, with 55.
Standing records at Millinocket Muni AP by the year they were set
Year set
Standing records
1945
55
1946
43
1947
45
1948
12
1949
41
1950
33
1951
46
1952
25
1953
42
1954
35
1962
9
1963
40
1964
40
1965
39
1966
25
1967
35
1968
32
1969
24
1970
43
1971
37
1972
23
1996
17
1997
18
1998
12
1999
23
2000
24
2001
24
2002
31
2003
33
2004
14
2005
21
2006
21
2007
21
2008
27
2009
26
2010
41
2011
19
2012
28
2013
22
2014
22
2015
19
2016
17
2017
37
2018
38
2019
18
2020
27
2021
27
2022
33
2023
26
2024
20
2025
20
2026
14
Wettest Day of Each Month
Sep: 141.2 mm (5.6 in)
The wettest day on record for each calendar month at Millinocket Muni AP. The most was 141.2 mm (5.6 in) on 28 September 2003.
Record daily precipitation for each month at Millinocket Muni AP
Month
Record daily precipitation (mm)
Date
Jan
52.8 mm (2.1 in)
14 January 2006
Feb
51.1 mm (2.0 in)
3 February 1970
Mar
50.0 mm (2.0 in)
1 March 1999
Apr
94.2 mm (3.7 in)
29 April 2008
May
50.5 mm (2.0 in)
21 May 1998
Jun
71.4 mm (2.8 in)
30 June 2006
Jul
64.3 mm (2.5 in)
19 July 1966
Aug
94.7 mm (3.7 in)
13 August 2004
Sep
141.2 mm (5.6 in)
28 September 2003
Oct
86.4 mm (3.4 in)
12 October 2007
Nov
129.0 mm (5.1 in)
3 November 1966
Dec
65.8 mm (2.6 in)
18 December 2023
Period of Record Coverage
1944 to 2026
Complete yearUnder 90 percent of days
53 years of record at Millinocket Muni AP, 1944 to 2026. 6 years have data for under 90 percent of days and are left out of rankings: 1944, 1948, 1962, 1972, 1996, 2026.
Cooler than the station meanWarmer than the station mean
One stripe for each of 46 complete years at Millinocket Muni AP, 1945 to 2025. Blue stripes are years cooler than the station's own mean of 6.1 C (43.0 F); red stripes are warmer. The coolest year was 1965, at 4.6 C (40.3 F), and the warmest was 2024, at 8.0 C (46.3 F). The strongest colour marks a difference of 1.9 C (3.4 F).
Annual mean temperature at Millinocket Muni AP as warming stripes, 1945 to 2025
Year
Annual mean temperature
Difference from the station mean
1945
5.4 C
-0.73 C
1946
5.4 C
-0.69 C
1947
5.5 C
-0.61 C
1949
6.1 C
+0.00 C
1950
5.2 C
-0.89 C
1951
5.7 C
-0.46 C
1952
6.4 C
+0.25 C
1953
6.8 C
+0.65 C
1954
5.4 C
-0.76 C
1963
4.7 C
-1.43 C
1964
5.1 C
-1.00 C
1965
4.6 C
-1.51 C
1966
6.1 C
-0.08 C
1967
4.8 C
-1.38 C
1968
4.8 C
-1.35 C
1969
6.1 C
-0.02 C
1970
5.9 C
-0.23 C
1971
5.5 C
-0.66 C
1997
5.1 C
-1.00 C
1998
7.2 C
+1.06 C
1999
7.3 C
+1.13 C
2000
5.6 C
-0.49 C
2001
6.6 C
+0.42 C
2002
6.0 C
-0.15 C
2003
5.3 C
-0.85 C
2004
5.2 C
-0.89 C
2005
6.0 C
-0.12 C
2006
7.4 C
+1.30 C
2008
5.9 C
-0.20 C
2009
5.6 C
-0.53 C
2010
8.0 C
+1.82 C
2011
6.9 C
+0.73 C
2012
7.5 C
+1.36 C
2013
6.5 C
+0.32 C
2014
6.2 C
+0.03 C
2015
6.2 C
+0.11 C
2016
6.9 C
+0.78 C
2017
6.2 C
+0.10 C
2018
6.1 C
-0.05 C
2019
5.5 C
-0.60 C
2020
7.1 C
+0.98 C
2021
7.5 C
+1.35 C
2022
6.9 C
+0.81 C
2023
7.5 C
+1.33 C
2024
8.0 C
+1.84 C
2025
6.4 C
+0.25 C
The annual mean temperature here has risen by 0.2 C (0.1 to 0.3) per decade over 1945 to 2025. In Fahrenheit: 0.3 F (0.2 to 0.5) per decade. The slope is a straight line fitted to 46 complete years; the brackets give its 95 percent interval.
Fitted temperature trends per decade at Millinocket Muni AP
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
0.2 C (0.1 to 0.3) per decade
0.3 F (0.2 to 0.5) per decade
1945 to 2025
46
Rise
Mean daily maximum
0.12 C (0.03 to 0.20) per decade
0.2 F (0.1 to 0.4) per decade
1945 to 2025
46
Rise
Mean daily minimum
0.2 C (0.2 to 0.3) per decade
0.4 F (0.3 to 0.6) per decade
1945 to 2025
46
Rise
A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.
Extremes by Year
1944 to 2026
Yearly extremes at Millinocket Muni AP: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
36.7 C (98.1 F)
1952
33.9 C (93.0 F)
53
Coldest night (TNn)
-36.1 C (-33.0 F)
1972
-27.2 C (-17.0 F)
53
Wettest day (Rx1day)
141.2 mm (5.6 in)
2003
54.9 mm (2.2 in)
51
Wettest five days (Rx5day)
157.7 mm (6.2 in)
2003
83.9 mm (3.3 in)
51
Longest dry spell (CDD)
43 days
2003
15 days
51
Hottest day (TXx)
The hottest day of the year at Millinocket Muni AP, 1944 to 2026. The record is 36.7 C (98.1 F) in 1952, marked on the chart; the median year is 33.9 C (93.0 F).
Hottest day (TXx) at Millinocket Muni AP by year
Year
Hottest day (TXx)
1944
6.7 C (44.1 F)
1945
34.4 C (93.9 F)
1946
35.0 C (95.0 F)
1947
35.0 C (95.0 F)
1948
27.8 C (82.0 F)
1949
34.4 C (93.9 F)
1950
32.2 C (90.0 F)
1951
31.7 C (89.1 F)
1952
36.7 C (98.1 F)
1953
36.1 C (97.0 F)
1954
32.2 C (90.0 F)
1962
25.6 C (78.1 F)
1963
35.0 C (95.0 F)
1964
33.3 C (91.9 F)
1965
33.3 C (91.9 F)
1966
33.9 C (93.0 F)
1967
33.3 C (91.9 F)
1968
34.4 C (93.9 F)
1969
35.0 C (95.0 F)
1970
34.4 C (93.9 F)
1971
34.4 C (93.9 F)
1972
29.4 C (84.9 F)
1996
30.6 C (87.1 F)
1997
32.8 C (91.0 F)
1998
32.8 C (91.0 F)
1999
34.4 C (93.9 F)
2000
30.6 C (87.1 F)
2001
35.0 C (95.0 F)
2002
35.6 C (96.1 F)
2003
35.0 C (95.0 F)
2004
31.1 C (88.0 F)
2005
35.0 C (95.0 F)
2006
32.8 C (91.0 F)
2007
33.9 C (93.0 F)
2008
32.8 C (91.0 F)
2009
32.8 C (91.0 F)
2010
35.0 C (95.0 F)
2011
33.3 C (91.9 F)
2012
34.4 C (93.9 F)
2013
34.4 C (93.9 F)
2014
34.4 C (93.9 F)
2015
32.8 C (91.0 F)
2016
32.2 C (90.0 F)
2017
33.9 C (93.0 F)
2018
35.0 C (95.0 F)
2019
33.9 C (93.0 F)
2020
35.6 C (96.1 F)
2021
35.0 C (95.0 F)
2022
33.3 C (91.9 F)
2023
35.6 C (96.1 F)
2024
36.1 C (97.0 F)
2025
36.1 C (97.0 F)
2026
33.9 C (93.0 F)
Coldest night (TNn)
The coldest night of the year at Millinocket Muni AP, 1944 to 2026. The record is -36.1 C (-33.0 F) in 1972, marked on the chart; the median year is -27.2 C (-17.0 F).
Coldest night (TNn) at Millinocket Muni AP by year
Year
Coldest night (TNn)
1944
-23.3 C (-9.9 F)
1945
-31.1 C (-24.0 F)
1946
-27.8 C (-18.0 F)
1947
-26.1 C (-15.0 F)
1948
-35.0 C (-31.0 F)
1949
-30.0 C (-22.0 F)
1950
-30.6 C (-23.1 F)
1951
-32.8 C (-27.0 F)
1952
-31.1 C (-24.0 F)
1953
-23.9 C (-11.0 F)
1954
-29.4 C (-20.9 F)
1962
-23.9 C (-11.0 F)
1963
-29.4 C (-20.9 F)
1964
-25.6 C (-14.1 F)
1965
-30.0 C (-22.0 F)
1966
-26.1 C (-15.0 F)
1967
-34.4 C (-29.9 F)
1968
-30.0 C (-22.0 F)
1969
-28.3 C (-18.9 F)
1970
-30.6 C (-23.1 F)
1971
-35.6 C (-32.1 F)
1972
-36.1 C (-33.0 F)
1996
-21.1 C (-6.0 F)
1997
-27.8 C (-18.0 F)
1998
-27.2 C (-17.0 F)
1999
-30.0 C (-22.0 F)
2000
-27.2 C (-17.0 F)
2001
-31.1 C (-24.0 F)
2002
-24.4 C (-11.9 F)
2003
-28.3 C (-18.9 F)
2004
-28.9 C (-20.0 F)
2005
-27.2 C (-17.0 F)
2006
-20.0 C (-4.0 F)
2007
-25.0 C (-13.0 F)
2008
-27.2 C (-17.0 F)
2009
-32.2 C (-26.0 F)
2010
-21.1 C (-6.0 F)
2011
-26.1 C (-15.0 F)
2012
-27.2 C (-17.0 F)
2013
-25.0 C (-13.0 F)
2014
-26.6 C (-15.9 F)
2015
-27.7 C (-17.9 F)
2016
-27.1 C (-16.8 F)
2017
-23.8 C (-10.8 F)
2018
-24.3 C (-11.7 F)
2019
-25.5 C (-13.9 F)
2020
-23.8 C (-10.8 F)
2021
-22.7 C (-8.9 F)
2022
-32.7 C (-26.9 F)
2023
-28.8 C (-19.8 F)
2024
-24.9 C (-12.8 F)
2025
-25.5 C (-13.9 F)
2026
-23.3 C (-9.9 F)
Wettest day (Rx1day)
The wettest day of the year at Millinocket Muni AP, 1944 to 2026. The record is 141.2 mm (5.6 in) in 2003, marked on the chart; the median year is 54.9 mm (2.2 in).
Wettest day (Rx1day) at Millinocket Muni AP by year
Year
Wettest day (Rx1day)
1944
20.3 mm (0.8 in)
1945
46.5 mm (1.8 in)
1946
36.6 mm (1.4 in)
1947
45.0 mm (1.8 in)
1948
33.0 mm (1.3 in)
1949
35.1 mm (1.4 in)
1950
58.7 mm (2.3 in)
1951
59.9 mm (2.4 in)
1952
41.1 mm (1.6 in)
1953
55.6 mm (2.2 in)
1954
108.7 mm (4.3 in)
1962
59.7 mm (2.4 in)
1963
44.5 mm (1.8 in)
1964
57.9 mm (2.3 in)
1965
42.7 mm (1.7 in)
1966
129.0 mm (5.1 in)
1967
49.3 mm (1.9 in)
1968
36.3 mm (1.4 in)
1969
77.2 mm (3.0 in)
1970
51.1 mm (2.0 in)
1971
44.2 mm (1.7 in)
1972
48.5 mm (1.9 in)
1996
n/a
1997
n/a
1998
61.7 mm (2.4 in)
1999
52.6 mm (2.1 in)
2000
59.2 mm (2.3 in)
2001
67.8 mm (2.7 in)
2002
48.5 mm (1.9 in)
2003
141.2 mm (5.6 in)
2004
94.7 mm (3.7 in)
2005
89.7 mm (3.5 in)
2006
71.4 mm (2.8 in)
2007
86.4 mm (3.4 in)
2008
94.2 mm (3.7 in)
2009
50.0 mm (2.0 in)
2010
61.0 mm (2.4 in)
2011
77.0 mm (3.0 in)
2012
52.1 mm (2.1 in)
2013
54.9 mm (2.2 in)
2014
44.2 mm (1.7 in)
2015
106.2 mm (4.2 in)
2016
42.2 mm (1.7 in)
2017
74.7 mm (2.9 in)
2018
69.3 mm (2.7 in)
2019
47.2 mm (1.9 in)
2020
50.5 mm (2.0 in)
2021
70.4 mm (2.8 in)
2022
47.5 mm (1.9 in)
2023
65.8 mm (2.6 in)
2024
63.0 mm (2.5 in)
2025
43.7 mm (1.7 in)
2026
34.3 mm (1.4 in)
Wettest five days (Rx5day)
The wettest five days of the year at Millinocket Muni AP, 1944 to 2026. The record is 157.7 mm (6.2 in) in 2003, marked on the chart; the median year is 83.9 mm (3.3 in).
Wettest five days (Rx5day) at Millinocket Muni AP by year
Year
Wettest five days (Rx5day)
1944
42.7 mm (1.7 in)
1945
76.5 mm (3.0 in)
1946
52.3 mm (2.1 in)
1947
69.3 mm (2.7 in)
1948
87.6 mm (3.4 in)
1949
69.9 mm (2.8 in)
1950
138.3 mm (5.4 in)
1951
83.8 mm (3.3 in)
1952
71.4 mm (2.8 in)
1953
99.8 mm (3.9 in)
1954
137.1 mm (5.4 in)
1962
87.0 mm (3.4 in)
1963
89.5 mm (3.5 in)
1964
102.3 mm (4.0 in)
1965
58.4 mm (2.3 in)
1966
149.1 mm (5.9 in)
1967
68.3 mm (2.7 in)
1968
55.6 mm (2.2 in)
1969
113.2 mm (4.5 in)
1970
99.3 mm (3.9 in)
1971
56.9 mm (2.2 in)
1972
56.4 mm (2.2 in)
1996
n/a
1997
n/a
1998
68.5 mm (2.7 in)
1999
97.4 mm (3.8 in)
2000
80.8 mm (3.2 in)
2001
83.9 mm (3.3 in)
2002
57.7 mm (2.3 in)
2003
157.7 mm (6.2 in)
2004
102.1 mm (4.0 in)
2005
142.0 mm (5.6 in)
2006
112.7 mm (4.4 in)
2007
103.9 mm (4.1 in)
2008
96.5 mm (3.8 in)
2009
84.8 mm (3.3 in)
2010
75.2 mm (3.0 in)
2011
80.8 mm (3.2 in)
2012
104.3 mm (4.1 in)
2013
72.7 mm (2.9 in)
2014
76.5 mm (3.0 in)
2015
121.7 mm (4.8 in)
2016
49.1 mm (1.9 in)
2017
123.8 mm (4.9 in)
2018
77.9 mm (3.1 in)
2019
60.2 mm (2.4 in)
2020
111.7 mm (4.4 in)
2021
72.9 mm (2.9 in)
2022
119.1 mm (4.7 in)
2023
92.3 mm (3.6 in)
2024
103.7 mm (4.1 in)
2025
53.6 mm (2.1 in)
2026
54.3 mm (2.1 in)
Longest dry spell (CDD)
The longest dry spell of the year at Millinocket Muni AP, 1944 to 2026. The record is 43 days in 2003, marked on the chart; the median year is 15 days.
Longest dry spell (CDD) at Millinocket Muni AP by year
Year
Longest dry spell (CDD)
1944
8 days
1945
18 days
1946
17 days
1947
15 days
1948
13 days
1949
12 days
1950
24 days
1951
15 days
1952
15 days
1953
17 days
1954
14 days
1962
13 days
1963
16 days
1964
17 days
1965
15 days
1966
14 days
1967
13 days
1968
19 days
1969
11 days
1970
25 days
1971
17 days
1972
13 days
1996
n/a
1997
n/a
1998
13 days
1999
17 days
2000
14 days
2001
26 days
2002
20 days
2003
43 days
2004
18 days
2005
18 days
2006
11 days
2007
14 days
2008
15 days
2009
15 days
2010
25 days
2011
13 days
2012
18 days
2013
15 days
2014
17 days
2015
14 days
2016
19 days
2017
19 days
2018
14 days
2019
9 days
2020
14 days
2021
23 days
2022
10 days
2023
17 days
2024
20 days
2025
18 days
2026
20 days
Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.
Frost Dates and Growing Season
46 years with a frost
Across 46 years with a frost, the median last spring frost at Millinocket Muni AP falls on 13 May and the median first autumn frost on 1 October, which leaves a median of 142 days between them.
Fitted over all years, the growing season changes by +3.2 days per decade at this station.
Frost dates and growing season at Millinocket Muni AP
Measure
Median, all years
Earliest period
Recent period (1970 to 2025)
Recent against earliest
Fitted trend
Last spring frost
13 May
n/a
9 May
n/a
-1.6 days per decade
First autumn frost
1 October
n/a
3 October
n/a
+1.6 days per decade
Growing days
142 days
n/a
147 days
n/a
+3.2 days per decade
A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.
Rainfall Return Levels
45 years, 1945 to 2025
A day with at least 56.5 mm (2.2 in) of rain is expected about once in 2 years. A day with at least 164.8 mm (6.5 in) of rain is expected about once in 100 years.
Rainfall return levels at Millinocket Muni AP: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
56.5 mm (2.2 in)
5 years
76.4 mm (3.0 in)
10 years
92.6 mm (3.6 in)
25 years
117.3 mm (4.6 in)
50 years
139.3 mm (5.5 in)
Longer than the 45 years of record
100 years
164.8 mm (6.5 in)
Longer than the 45 years of record
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 45 years of values from 1945 to 2025.
A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.
The largest wettest-day totals in the fit: 141.2 mm (5.6 in) in 2003; 129.0 mm (5.1 in) in 1966; 108.7 mm (4.3 in) in 1954.
Station Changes
1 suspected
One change was suspected in the annual mean temperature of Millinocket Muni AP, at 1969. Each is measured against neighbouring stations.
Relative to 5 neighbouring stations, the station's annual mean temperature from 1969 ran 0.3 C (0.5 F) higher than in the years before (likely change).
Suspected changes in the annual mean temperature at Millinocket Muni AP, against neighbouring stations
Year
Shift (C)
Shift (F)
Strength
Neighbours
1969
+0.3
+0.5
likely
5
Possible change at the station (a move, a new instrument or a new site); the record is kept as measured. A "likely" change has a larger test statistic than a "possible" one. Neither says why the station differs from its neighbours. How changes are found, and the largest ones.
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Data for Millinocket Muni AP standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Millinocket Muni AP threshold days by year: CSV or JSON. Field meanings are on the data page.
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-15 (15 October 2026). Records are computed by this site and are not official.