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Built 2026-10-17 (17 October 2026)

Ashburnham Weather Records (USC00190190)

Record envelope, standing records and threshold days for Ashburnham (USC00190190), Massachusetts, United States, with 121 years of record.

Key Facts for Ashburnham

  • Ashburnham (USC00190190) is a weather station in Massachusetts, United States at 42.62 latitude and -71.92 longitude, 338 m (1,108 ft) above sea level.
  • The station reports from 1906 to 2026, 121 years of record.
  • 1,464 records set at Ashburnham still stand.
  • Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Ashburnham set a daily record precipitation of 51.1 mm (2.0 in) on 14 September 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: Massachusetts, United States, 42.62 latitude, -71.92 longitude.
  • Elevation: 338 m (1,108 ft).
  • Period of record: 1906 to 2026, 121 years.
  • Eligible elements: prcp, snow, snwd.

Daily Record Envelope and 2026

22 days at or beyond a record
Daily record high and record low at Ashburnham, with 2026 drawn through them The band shows the record high and record low for each calendar day at Ashburnham. The lines show the 2026 daily maximum and minimum. 22 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Ashburnham. The lines show the 2026 daily maximum and minimum. 22 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Ashburnham, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan16.7 C (62.1 F)-27.8 C (-18.0 F)6.7 C (44.1 F)-21.7 C (-7.1 F)
Feb20.6 C (69.1 F)-30.0 C (-22.0 F)4.4 C (39.9 F)-21.7 C (-7.1 F)
Mar26.1 C (79.0 F)-21.1 C (-6.0 F)19.4 C (66.9 F)-18.3 C (-0.9 F)
Apr31.7 C (89.1 F)-11.1 C (12.0 F)27.2 C (81.0 F)-6.7 C (19.9 F)
May33.9 C (93.0 F)-6.7 C (19.9 F)33.3 C (91.9 F)1.1 C (34.0 F)
Jun36.7 C (98.1 F)2.2 C (36.0 F)31.7 C (89.1 F)3.9 C (39.0 F)
Jul35.0 C (95.0 F)6.1 C (43.0 F)33.3 C (91.9 F)11.1 C (52.0 F)
Aug33.3 C (91.9 F)4.4 C (39.9 F)30.6 C (87.1 F)10.6 C (51.1 F)
Sep32.8 C (91.0 F)0.0 C (32.0 F)24.4 C (75.9 F)5.6 C (42.1 F)
Oct27.2 C (81.0 F)-7.2 C (19.0 F)25.0 C (77.0 F)1.7 C (35.1 F)
Nov22.8 C (73.0 F)-17.2 C (1.0 F)n/an/a
Dec17.2 C (63.0 F)-24.4 C (-11.9 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Ashburnham by the year they were set 1,464 records at Ashburnham still stand. 1907 holds the most, with 100. 02550751001906: 561907: 1001908: 151918: 171919: 551920: 91921: 11922: 31925: 41926: 171927: 91928: 31929: 111930: 82008: 442009: 722010: 632011: 562012: 692013: 612014: 612015: 792016: 632017: 862018: 802019: 602020: 682021: 632022: 522023: 502024: 422025: 502026: 37190619191925192920102014201820222026
1,464 records at Ashburnham still stand. 1907 holds the most, with 100.
Standing records at Ashburnham by the year they were set
Year setStanding records
190656
1907100
190815
191817
191955
19209
19211
19223
19254
192617
19279
19283
192911
19308
200844
200972
201063
201156
201269
201361
201461
201579
201663
201786
201880
201960
202068
202163
202252
202350
202442
202550
202637

All-Time Record Progression

2 new records
When Ashburnham set new all-time records 2 all-time records were set at Ashburnham between 7 April 1982 and 2 January 1987. Each dot is a new record. Record daily snowfall7 April 1982: Record daily snowfall 45.7 cm (18.0 in)2 January 1987: Record daily snowfall 55.9 cm (22.0 in)1985
2 all-time records were set at Ashburnham between 7 April 1982 and 2 January 1987. Each dot is a new record.
When Ashburnham set new all-time records
DateKindDetail
1982-04-07Record daily snowfallRecord daily snowfall 45.7 cm (18.0 in)
1987-01-02Record daily snowfallRecord daily snowfall 55.9 cm (22.0 in)

Wettest Day of Each Month

Jun: 161.8 mm (6.4 in)
Record daily precipitation for each month at Ashburnham The wettest day on record for each calendar month at Ashburnham. The most was 161.8 mm (6.4 in) on 25 June 1944. 050100150200 Jan: 78.7 mm (3.1 in), 9 January 1956 Jan Feb: 62.7 mm (2.5 in), 11 February 1970 Feb Mar: 73.7 mm (2.9 in), 7 March 2011 Mar Apr: 88.1 mm (3.5 in), 16 April 2007 Apr May: 69.9 mm (2.8 in), 31 May 1998 May Jun: 161.8 mm (6.4 in), 25 June 1944 Jun Jul: 121.9 mm (4.8 in), 30 July 2026 Jul Aug: 136.4 mm (5.4 in), 19 August 1991 Aug Sep: 131.8 mm (5.2 in), 15 September 1944 Sep Oct: 147.6 mm (5.8 in), 15 October 1955 Oct Nov: 106.9 mm (4.2 in), 26 November 1950 Nov Dec: 73.4 mm (2.9 in), 12 December 2008 Dec
The wettest day on record for each calendar month at Ashburnham. The most was 161.8 mm (6.4 in) on 25 June 1944.
Record daily precipitation for each month at Ashburnham
MonthRecord daily precipitation (mm)Date
Jan78.7 mm (3.1 in)9 January 1956
Feb62.7 mm (2.5 in)11 February 1970
Mar73.7 mm (2.9 in)7 March 2011
Apr88.1 mm (3.5 in)16 April 2007
May69.9 mm (2.8 in)31 May 1998
Jun161.8 mm (6.4 in)25 June 1944
Jul121.9 mm (4.8 in)30 July 2026
Aug136.4 mm (5.4 in)19 August 1991
Sep131.8 mm (5.2 in)15 September 1944
Oct147.6 mm (5.8 in)15 October 1955
Nov106.9 mm (4.2 in)26 November 1950
Dec73.4 mm (2.9 in)12 December 2008

Period of Record Coverage

1906 to 2026
Days with data per year at Ashburnham 34 years of record at Ashburnham, 1906 to 2026. 16 years have data for under 90 percent of days and are left out of rankings: 1906, 1907, 1908, 1918, 1919, 1920, 1921, 1922 and others. 1906: 212 of 365 days1907: 302 of 365 days1908: 87 of 366 days1918: 92 of 365 days1919: 272 of 365 days1920: 89 of 366 days1921: 28 of 365 days1922: 31 of 365 days1925: 31 of 365 days1926: 121 of 365 days1927: 89 of 365 days1928: 59 of 366 days1929: 90 of 365 days1930: 28 of 365 days1981: 1 of 365 days2008: 366 of 366 days2009: 365 of 365 days2010: 365 of 365 days2011: 365 of 365 days2012: 366 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 365 of 365 days2016: 366 of 366 days2017: 365 of 365 days2018: 365 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 365 of 365 days2022: 365 of 365 days2023: 365 of 365 days2024: 366 of 366 days2025: 365 of 365 days2026: 283 of 365 days1920192519302010201520202025
34 years of record at Ashburnham, 1906 to 2026. 16 years have data for under 90 percent of days and are left out of rankings: 1906, 1907, 1908, 1918, 1919, 1920, 1921, 1922 and others.
Days with data per year at Ashburnham
YearDays with dataShare of yearComplete
190621258%No
190730283%No
19088724%No
19189225%No
191927275%No
19208924%No
1921288%No
1922318%No
1925318%No
192612133%No
19278924%No
19285916%No
19299025%No
1930288%No
198110%No
2008366100%Yes
2009365100%Yes
2010365100%Yes
2011365100%Yes
2012366100%Yes
2013365100%Yes
2014365100%Yes
2015365100%Yes
2016366100%Yes
2017365100%Yes
2018365100%Yes
2019365100%Yes
2020366100%Yes
2021365100%Yes
2022365100%Yes
2023365100%Yes
2024366100%Yes
2025365100%Yes
202628378%No

Latest Records

20
Latest records at Ashburnham
DateStationRecordValueBeat old record byOld record stoodSignificance
14 September 2026Ashburnham, USdaily rain (Provisional)51.1 mm (2.0 in)20.6 mm (0.8 in)36 years34 of 100 (Routine)
30 July 2026Ashburnham, USmonthly rain121.9 mm (4.8 in)46.2 mm (1.8 in)75 years80 of 100 (Exceptional)
15 May 2026Ashburnham, USdaily rain46.0 mm (1.8 in)22.6 mm (0.9 in)20 years38 of 100 (Notable)
26 January 2026Ashburnham, USdaily snowfall32.8 cm (12.9 in)16.0 cm (6.3 in)47 years49 of 100 (Notable)
23 May 2025Ashburnham, USdaily rain48.8 mm (1.9 in)32.3 mm (1.3 in)42 years55 of 100 (Notable)
5 May 2025Ashburnham, USdaily rain34.8 mm (1.4 in)5.6 mm (0.22 in)4 years16 of 100 (Routine)
6 March 2025Ashburnham, USdaily rain40.6 mm (1.6 in)22.8 mm (0.9 in)24 years37 of 100 (Notable)
17 February 2025Ashburnham, USdaily rain24.1 mm (0.9 in)7.1 mm (0.28 in)61 years20 of 100 (Routine)
7 August 2024Ashburnham, USdaily rain31.5 mm (1.2 in)1.3 mm (0.05 in)79 years34 of 100 (Routine)
6 July 2024Ashburnham, USdaily rain54.6 mm (2.1 in)9.1 mm (0.36 in)76 years39 of 100 (Notable)
21 June 2024Ashburnham, USdaily rain43.2 mm (1.7 in)1.0 mm (0.04 in)43 years22 of 100 (Routine)
27 May 2024Ashburnham, USdaily rain47.5 mm (1.9 in)13.2 mm (0.5 in)21 years29 of 100 (Routine)
4 April 2024Ashburnham, USdaily snowfall12.2 cm (4.8 in)8.4 cm (3.3 in)69 years42 of 100 (Notable)
24 March 2024Ashburnham, USdaily rain54.1 mm (2.1 in)21.6 mm (0.9 in)4 years30 of 100 (Routine)
11 December 2023Ashburnham, USdaily rain54.4 mm (2.1 in)12.2 mm (0.5 in)30 years30 of 100 (Routine)
30 September 2023Ashburnham, USdaily rain47.2 mm (1.9 in)1.5 mm (0.06 in)60 years28 of 100 (Routine)
22 July 2023Ashburnham, USdaily rain31.5 mm (1.2 in)7.1 mm (0.28 in)60 years34 of 100 (Routine)
4 July 2023Ashburnham, USdaily rain (Tie)38.1 mm (1.5 in)tie116 years10 of 100 (Routine)
3 July 2023Ashburnham, USdaily rain38.1 mm (1.5 in)10.4 mm (0.4 in)40 years30 of 100 (Routine)
1 May 2023Ashburnham, USdaily rain34.3 mm (1.4 in)1.3 mm (0.05 in)8 years13 of 100 (Routine)

Climate Trend

18 complete years, 2008 to 2025
Annual mean temperature at Ashburnham as warming stripes, 2008 to 2025 One stripe for each of 18 complete years at Ashburnham, 2008 to 2025. Blue stripes are years cooler than the station's own mean of 8.2 C (46.8 F); red stripes are warmer. The coolest year was 2014, at 7.1 C (44.8 F), and the warmest was 2012, at 9.4 C (48.9 F). The strongest colour marks a difference of 1.2 C (2.2 F). 2008: 8.1 C, -0.1 C from the station mean2009: 7.6 C, -0.7 C from the station mean2010: 8.7 C, +0.5 C from the station mean2011: 8.3 C, 0.0 C from the station mean2012: 9.4 C, +1.2 C from the station mean2013: 7.8 C, -0.5 C from the station mean2014: 7.1 C, -1.1 C from the station mean2015: 7.6 C, -0.7 C from the station mean2016: 8.7 C, +0.5 C from the station mean2017: 8.2 C, -0.1 C from the station mean2018: 8.0 C, -0.2 C from the station mean2019: 7.6 C, -0.7 C from the station mean2020: 9.0 C, +0.8 C from the station mean2021: 8.6 C, +0.3 C from the station mean2022: 8.2 C, 0.0 C from the station mean2023: 8.9 C, +0.6 C from the station mean2024: 8.8 C, +0.6 C from the station mean2025: 7.9 C, -0.4 C from the station mean200820102012201420162018202020222024
One stripe for each of 18 complete years at Ashburnham, 2008 to 2025. Blue stripes are years cooler than the station's own mean of 8.2 C (46.8 F); red stripes are warmer. The coolest year was 2014, at 7.1 C (44.8 F), and the warmest was 2012, at 9.4 C (48.9 F). The strongest colour marks a difference of 1.2 C (2.2 F).
Annual mean temperature at Ashburnham as warming stripes, 2008 to 2025
YearAnnual mean temperatureDifference from the station mean
20088.1 C-0.12 C
20097.6 C-0.67 C
20108.7 C+0.47 C
20118.3 C+0.03 C
20129.4 C+1.16 C
20137.8 C-0.47 C
20147.1 C-1.12 C
20157.6 C-0.66 C
20168.7 C+0.48 C
20178.2 C-0.08 C
20188.0 C-0.24 C
20197.6 C-0.70 C
20209.0 C+0.75 C
20218.6 C+0.31 C
20228.2 C-0.03 C
20238.9 C+0.62 C
20248.8 C+0.59 C
20257.9 C-0.38 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

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

1906 to 2026
Yearly extremes at Ashburnham: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)36.7 C (98.1 F)191932.5 C (90.5 F)34
Coldest night (TNn)-30.0 C (-22.0 F)1920-21.7 C (-7.1 F)33
Wettest day (Rx1day)161.8 mm (6.4 in)194460.4 mm (2.4 in)98
Wettest five days (Rx5day)303.8 mm (12.0 in)195594.4 mm (3.7 in)92
Longest dry spell (CDD)38 days199515 days98

Hottest day (TXx)

Hottest day (TXx) at Ashburnham by year The hottest day of the year at Ashburnham, 1906 to 2026. The record is 36.7 C (98.1 F) in 1919, marked on the chart; the median year is 32.5 C (90.5 F). 10203040192019401960198020002020Record: 36.7 C (98.1 F) in 1919
The hottest day of the year at Ashburnham, 1906 to 2026. The record is 36.7 C (98.1 F) in 1919, marked on the chart; the median year is 32.5 C (90.5 F).
Hottest day (TXx) at Ashburnham by year
YearHottest day (TXx)
190631.7 C (89.1 F)
190733.9 C (93.0 F)
190818.3 C (64.9 F)
191825.6 C (78.1 F)
191936.7 C (98.1 F)
192014.4 C (57.9 F)
192110.0 C (50.0 F)
192211.7 C (53.1 F)
192511.1 C (52.0 F)
192611.7 C (53.1 F)
192713.9 C (57.0 F)
192810.0 C (50.0 F)
192917.8 C (64.0 F)
193015.0 C (59.0 F)
1942n/a
1943n/a
1944n/a
1945n/a
1946n/a
1947n/a
1948n/a
1949n/a
1950n/a
1951n/a
1952n/a
1953n/a
1954n/a
1955n/a
1956n/a
1957n/a
1958n/a
1959n/a
1960n/a
1961n/a
1962n/a
1963n/a
1964n/a
1965n/a
1966n/a
1967n/a
1968n/a
1969n/a
1970n/a
1971n/a
1972n/a
1973n/a
1974n/a
1975n/a
1976n/a
1977n/a
1978n/a
1979n/a
1980n/a
198111.7 C (53.1 F)
1982n/a
1983n/a
1984n/a
1985n/a
1986n/a
1987n/a
1988n/a
1989n/a
1990n/a
1991n/a
1992n/a
1993n/a
1994n/a
1995n/a
1996n/a
1997n/a
1998n/a
1999n/a
2000n/a
2001n/a
2002n/a
2003n/a
2004n/a
2005n/a
2006n/a
2007n/a
200834.4 C (93.9 F)
200932.2 C (90.0 F)
201035.0 C (95.0 F)
201135.0 C (95.0 F)
201233.9 C (93.0 F)
201333.9 C (93.0 F)
201431.7 C (89.1 F)
201532.2 C (90.0 F)
201633.3 C (91.9 F)
201733.3 C (91.9 F)
201834.4 C (93.9 F)
201933.3 C (91.9 F)
202033.3 C (91.9 F)
202133.3 C (91.9 F)
202232.8 C (91.0 F)
202331.7 C (89.1 F)
202433.3 C (91.9 F)
202535.0 C (95.0 F)
202633.3 C (91.9 F)

Coldest night (TNn)

Coldest night (TNn) at Ashburnham by year The coldest night of the year at Ashburnham, 1906 to 2026. The record is -30.0 C (-22.0 F) in 1920, marked on the chart; the median year is -21.7 C (-7.1 F). -30-25-20-15192019401960198020002020Record: -30.0 C (-22.0 F) in 1920
The coldest night of the year at Ashburnham, 1906 to 2026. The record is -30.0 C (-22.0 F) in 1920, marked on the chart; the median year is -21.7 C (-7.1 F).
Coldest night (TNn) at Ashburnham by year
YearColdest night (TNn)
1906-24.4 C (-11.9 F)
1907-27.8 C (-18.0 F)
1908-25.6 C (-14.1 F)
1918-18.9 C (-2.0 F)
1919-23.3 C (-9.9 F)
1920-30.0 C (-22.0 F)
1921-18.9 C (-2.0 F)
1922-22.2 C (-8.0 F)
1925-21.1 C (-6.0 F)
1926-21.1 C (-6.0 F)
1927-25.6 C (-14.1 F)
1928-23.9 C (-11.0 F)
1929-22.8 C (-9.0 F)
1930-25.0 C (-13.0 F)
1942n/a
1943n/a
1944n/a
1945n/a
1946n/a
1947n/a
1948n/a
1949n/a
1950n/a
1951n/a
1952n/a
1953n/a
1954n/a
1955n/a
1956n/a
1957n/a
1958n/a
1959n/a
1960n/a
1961n/a
1962n/a
1963n/a
1964n/a
1965n/a
1966n/a
1967n/a
1968n/a
1969n/a
1970n/a
1971n/a
1972n/a
1973n/a
1974n/a
1975n/a
1976n/a
1977n/a
1978n/a
1979n/a
1980n/a
1981n/a
1982n/a
1983n/a
1984n/a
1985n/a
1986n/a
1987n/a
1988n/a
1989n/a
1990n/a
1991n/a
1992n/a
1993n/a
1994n/a
1995n/a
1996n/a
1997n/a
1998n/a
1999n/a
2000n/a
2001n/a
2002n/a
2003n/a
2004n/a
2005n/a
2006n/a
2007n/a
2008-18.3 C (-0.9 F)
2009-20.6 C (-5.1 F)
2010-18.9 C (-2.0 F)
2011-24.4 C (-11.9 F)
2012-18.9 C (-2.0 F)
2013-20.6 C (-5.1 F)
2014-21.1 C (-6.0 F)
2015-23.9 C (-11.0 F)
2016-26.7 C (-16.1 F)
2017-21.1 C (-6.0 F)
2018-23.9 C (-11.0 F)
2019-22.8 C (-9.0 F)
2020-18.3 C (-0.9 F)
2021-19.4 C (-2.9 F)
2022-20.0 C (-4.0 F)
2023-27.2 C (-17.0 F)
2024-17.8 C (0.0 F)
2025-19.4 C (-2.9 F)
2026-21.7 C (-7.1 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Ashburnham by year The wettest day of the year at Ashburnham, 1906 to 2026. The record is 161.8 mm (6.4 in) in 1944, marked on the chart; the median year is 60.4 mm (2.4 in). 050100150200192019401960198020002020Record: 161.8 mm (6.4 in) in 1944
The wettest day of the year at Ashburnham, 1906 to 2026. The record is 161.8 mm (6.4 in) in 1944, marked on the chart; the median year is 60.4 mm (2.4 in).
Wettest day (Rx1day) at Ashburnham by year
YearWettest day (Rx1day)
190649.3 mm (1.9 in)
190746.0 mm (1.8 in)
190820.3 mm (0.8 in)
19180.0 mm (0.00 in)
191912.7 mm (0.5 in)
19200.0 mm (0.00 in)
1921n/a
19220.0 mm (0.00 in)
19250.0 mm (0.00 in)
192615.2 mm (0.6 in)
192710.2 mm (0.4 in)
192817.8 mm (0.7 in)
19290.0 mm (0.00 in)
19308.9 mm (0.35 in)
194239.9 mm (1.6 in)
194355.4 mm (2.2 in)
1944161.8 mm (6.4 in)
194530.2 mm (1.2 in)
194662.7 mm (2.5 in)
194771.4 mm (2.8 in)
194859.9 mm (2.4 in)
194945.7 mm (1.8 in)
1950106.9 mm (4.2 in)
195175.7 mm (3.0 in)
195279.2 mm (3.1 in)
195344.7 mm (1.8 in)
1954126.2 mm (5.0 in)
1955147.6 mm (5.8 in)
195678.7 mm (3.1 in)
195750.5 mm (2.0 in)
195844.7 mm (1.8 in)
195978.2 mm (3.1 in)
1960108.5 mm (4.3 in)
196165.3 mm (2.6 in)
196276.2 mm (3.0 in)
196370.6 mm (2.8 in)
196444.7 mm (1.8 in)
196537.6 mm (1.5 in)
196646.0 mm (1.8 in)
196748.5 mm (1.9 in)
196852.8 mm (2.1 in)
196971.9 mm (2.8 in)
197062.7 mm (2.5 in)
197149.5 mm (1.9 in)
197264.0 mm (2.5 in)
197368.8 mm (2.7 in)
197460.5 mm (2.4 in)
197564.5 mm (2.5 in)
197660.2 mm (2.4 in)
197759.4 mm (2.3 in)
197852.6 mm (2.1 in)
197968.6 mm (2.7 in)
198077.0 mm (3.0 in)
198142.2 mm (1.7 in)
198258.2 mm (2.3 in)
198354.1 mm (2.1 in)
198469.3 mm (2.7 in)
198561.0 mm (2.4 in)
198658.7 mm (2.3 in)
198773.7 mm (2.9 in)
198869.9 mm (2.8 in)
198967.3 mm (2.6 in)
199056.1 mm (2.2 in)
1991136.4 mm (5.4 in)
199242.2 mm (1.7 in)
199349.0 mm (1.9 in)
199465.0 mm (2.6 in)
199589.7 mm (3.5 in)
1996108.0 mm (4.3 in)
199772.9 mm (2.9 in)
199869.9 mm (2.8 in)
199987.4 mm (3.4 in)
200071.1 mm (2.8 in)
200166.5 mm (2.6 in)
200244.2 mm (1.7 in)
200346.0 mm (1.8 in)
200481.0 mm (3.2 in)
200578.5 mm (3.1 in)
200651.6 mm (2.0 in)
200788.1 mm (3.5 in)
200896.5 mm (3.8 in)
200948.3 mm (1.9 in)
201057.4 mm (2.3 in)
201173.7 mm (2.9 in)
201281.3 mm (3.2 in)
201355.6 mm (2.2 in)
201475.2 mm (3.0 in)
201543.9 mm (1.7 in)
201651.1 mm (2.0 in)
201781.5 mm (3.2 in)
201873.2 mm (2.9 in)
201983.1 mm (3.3 in)
202047.0 mm (1.9 in)
202175.9 mm (3.0 in)
202258.9 mm (2.3 in)
202380.5 mm (3.2 in)
202454.6 mm (2.1 in)
202548.8 mm (1.9 in)
2026121.9 mm (4.8 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Ashburnham by year The wettest five days of the year at Ashburnham, 1906 to 2026. The record is 303.8 mm (12.0 in) in 1955, marked on the chart; the median year is 94.4 mm (3.7 in). 0100200300400192019401960198020002020Record: 303.8 mm (12.0 in) in 1955
The wettest five days of the year at Ashburnham, 1906 to 2026. The record is 303.8 mm (12.0 in) in 1955, marked on the chart; the median year is 94.4 mm (3.7 in).
Wettest five days (Rx5day) at Ashburnham by year
YearWettest five days (Rx5day)
190680.3 mm (3.2 in)
190783.8 mm (3.3 in)
190825.2 mm (1.0 in)
1918n/a
1919n/a
1920n/a
1921n/a
1922n/a
1925n/a
192625.3 mm (1.0 in)
192714.0 mm (0.6 in)
192817.8 mm (0.7 in)
1929n/a
193017.0 mm (0.7 in)
194278.2 mm (3.1 in)
194378.2 mm (3.1 in)
1944212.1 mm (8.4 in)
194540.1 mm (1.6 in)
194688.1 mm (3.5 in)
1947162.1 mm (6.4 in)
194874.8 mm (2.9 in)
194968.8 mm (2.7 in)
1950110.8 mm (4.4 in)
195179.0 mm (3.1 in)
195287.6 mm (3.4 in)
1953103.4 mm (4.1 in)
1954157.5 mm (6.2 in)
1955303.8 mm (12.0 in)
1956181.3 mm (7.1 in)
195768.5 mm (2.7 in)
195881.8 mm (3.2 in)
1959149.1 mm (5.9 in)
1960150.7 mm (5.9 in)
196194.3 mm (3.7 in)
1962147.8 mm (5.8 in)
1963113.2 mm (4.5 in)
196461.5 mm (2.4 in)
196551.1 mm (2.0 in)
196680.4 mm (3.2 in)
196787.9 mm (3.5 in)
1968103.9 mm (4.1 in)
1969111.5 mm (4.4 in)
197077.5 mm (3.1 in)
197171.9 mm (2.8 in)
197274.0 mm (2.9 in)
1973102.3 mm (4.0 in)
197476.8 mm (3.0 in)
1975152.6 mm (6.0 in)
1976107.2 mm (4.2 in)
197783.5 mm (3.3 in)
197864.5 mm (2.5 in)
1979132.6 mm (5.2 in)
1980104.8 mm (4.1 in)
1981105.1 mm (4.1 in)
1982136.7 mm (5.4 in)
198383.7 mm (3.3 in)
1984177.3 mm (7.0 in)
198572.9 mm (2.9 in)
198688.1 mm (3.5 in)
1987183.7 mm (7.2 in)
198887.0 mm (3.4 in)
1989104.9 mm (4.1 in)
1990115.9 mm (4.6 in)
1991184.2 mm (7.3 in)
199269.9 mm (2.8 in)
199373.7 mm (2.9 in)
1994106.0 mm (4.2 in)
199593.5 mm (3.7 in)
1996123.2 mm (4.9 in)
199790.9 mm (3.6 in)
1998115.6 mm (4.6 in)
1999112.2 mm (4.4 in)
200094.4 mm (3.7 in)
200174.4 mm (2.9 in)
200268.4 mm (2.7 in)
200392.3 mm (3.6 in)
2004131.6 mm (5.2 in)
2005124.8 mm (4.9 in)
2006107.1 mm (4.2 in)
2007136.4 mm (5.4 in)
2008122.7 mm (4.8 in)
200991.0 mm (3.6 in)
2010131.5 mm (5.2 in)
2011111.0 mm (4.4 in)
2012103.7 mm (4.1 in)
201397.7 mm (3.8 in)
2014100.4 mm (4.0 in)
201568.0 mm (2.7 in)
201654.4 mm (2.1 in)
2017148.9 mm (5.9 in)
2018129.3 mm (5.1 in)
201991.4 mm (3.6 in)
202083.5 mm (3.3 in)
202196.9 mm (3.8 in)
202285.9 mm (3.4 in)
2023114.5 mm (4.5 in)
2024106.7 mm (4.2 in)
202584.4 mm (3.3 in)
2026156.9 mm (6.2 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Ashburnham by year The longest dry spell of the year at Ashburnham, 1906 to 2026. The record is 38 days in 1995, marked on the chart; the median year is 15 days. 010203040192019401960198020002020Record: 38 days in 1995
The longest dry spell of the year at Ashburnham, 1906 to 2026. The record is 38 days in 1995, marked on the chart; the median year is 15 days.
Longest dry spell (CDD) at Ashburnham by year
YearLongest dry spell (CDD)
190617 days
190712 days
19087 days
19182 days
19191 day
19201 day
1921n/a
19221 day
19252 days
192610 days
19272 days
192811 days
19292 days
193012 days
194211 days
194319 days
194418 days
194514 days
194617 days
194729 days
194815 days
194920 days
195017 days
195113 days
195212 days
195318 days
195413 days
195524 days
195619 days
195716 days
195815 days
195915 days
196018 days
196120 days
196212 days
196327 days
196418 days
196515 days
196623 days
196712 days
196813 days
196916 days
197017 days
197113 days
197213 days
197314 days
197415 days
197525 days
197617 days
197716 days
197814 days
197914 days
198023 days
198113 days
198217 days
198315 days
198416 days
198514 days
198613 days
198719 days
198812 days
198912 days
199013 days
199110 days
199212 days
199313 days
199411 days
199538 days
199619 days
199717 days
199814 days
199921 days
200011 days
200129 days
200213 days
200316 days
200415 days
200513 days
200617 days
200721 days
200817 days
200913 days
201015 days
201116 days
201218 days
201313 days
201418 days
201519 days
201616 days
201713 days
201814 days
201910 days
202018 days
202117 days
202210 days
202316 days
202414 days
202519 days
202613 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.

Rainfall Return Levels

80 years, 1943 to 2025

A day with at least 63.6 mm (2.5 in) of rain is expected about once in 2 years. A day with at least 153.5 mm (6.0 in) of rain is expected about once in 100 years.

Rainfall return levels at Ashburnham: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years63.6 mm (2.5 in)
5 years82.9 mm (3.3 in)
10 years97.5 mm (3.8 in)
25 years118.0 mm (4.6 in)
50 years135.0 mm (5.3 in)
100 years153.5 mm (6.0 in)Longer than the 80 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, 80 years of values from 1943 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: 161.8 mm (6.4 in) in 1944; 147.6 mm (5.8 in) in 1955; 136.4 mm (5.4 in) in 1991.

Download the Data

  • Data for Ashburnham standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Ashburnham 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.

Data as of . Last revised (2026-10-15).