Built 2026-10-19 (19 October 2026)

Newton Threshold Days by Year (USC00135992)

18 fixed thresholds counted per year at Newton (USC00135992): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Newton Thresholds

  • Newton: days with a maximum temperature at or above 30 C (86 F) in 80 years, most in 1988 with 80.
  • Newton: days with a maximum temperature at or above 90 F (32.2 C) in 80 years, most in 1988 with 56.
  • Newton: days with a maximum temperature at or below 0 C (32 F) in 80 years, most in 1978 with 86.
  • Newton: nights with a minimum temperature at or below 0 C (32 F) in 79 years, most in 2018 with 166.
  • 18 fixed thresholds have at least one qualifying day at Newton.
80 years with a qualifying day
Days at or above 30 C (86 F) per year at Newton Days per year at Newton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 80 in 1988. 0204060801893: 541894: 781895: 591896: 461897: 681898: 501949: 591950: 371951: 91952: 401953: 481954: 691955: 771956: 741957: 501958: 371959: 601960: 431961: 541962: 591963: 701964: 571965: 391966: 521967: 341968: 531969: 421970: 611971: 691972: 501974: 421975: 671976: 411977: 471978: 401979: 241980: 691981: 201982: 151983: 641984: 371985: 421986: 431987: 631988: 801989: 441990: 481991: 631992: 281993: 341994: 441995: 551996: 421997: 571998: 421999: 382000: 352001: 452002: 532003: 412004: 222005: 552006: 452007: 492008: 262009: 172010: 412011: 502012: 642013: 492014: 242015: 312016: 432017: 492018: 472019: 372020: 512021: 622022: 572023: 431893195119591967197619841992200020082016
Days per year at Newton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 80 in 1988.
Days at or above 30 C (86 F) per year at Newton
YearDaysDecade average
18935459.2
18947859.2
18955959.2
18964659.2
18976859.2
18985059.2
19495959
19503750.1
1951950.1
19524050.1
19534850.1
19546950.1
19557750.1
19567450.1
19575050.1
19583750.1
19596050.1
19604350.3
19615450.3
19625950.3
19637050.3
19645750.3
19653950.3
19665250.3
19673450.3
19685350.3
19694250.3
19706149
19716949
19725049
19744249
19756749
19764149
19774749
19784049
19792449
19806947.7
19812047.7
19821547.7
19836447.7
19843747.7
19854247.7
19864347.7
19876347.7
19888047.7
19894447.7
19904845.1
19916345.1
19922845.1
19933445.1
19944445.1
19955545.1
19964245.1
19975745.1
19984245.1
19993845.1
20003538.8
20014538.8
20025338.8
20034138.8
20042238.8
20055538.8
20064538.8
20074938.8
20082638.8
20091738.8
20104143.5
20115043.5
20126443.5
20134943.5
20142443.5
20153143.5
20164343.5
20174943.5
20184743.5
20193743.5
20205153.3
20216253.3
20225753.3
20234353.3
First to last qualifying date each year at Newton For each year, a bar from the first to the last day at Newton meeting 30 C (86 F). 1893: 12 June 1893 to 1 October 18931894: 28 April 1894 to 8 September 18941895: 29 March 1895 to 21 September 18951896: 15 April 1896 to 14 August 18961897: 12 June 1897 to 15 October 18971898: 16 April 1898 to 28 September 18981949: 25 April 1949 to 26 August 19491950: 22 April 1950 to 31 October 19501951: 7 July 1951 to 30 August 19511952: 29 April 1952 to 30 September 19521953: 25 May 1953 to 15 October 19531954: 15 May 1954 to 3 October 19541955: 18 April 1955 to 19 September 19551956: 9 May 1956 to 12 October 19561957: 5 June 1957 to 1 September 19571958: 11 May 1958 to 4 October 19581959: 2 May 1959 to 20 September 19591960: 22 April 1960 to 7 September 19601961: 31 May 1961 to 11 September 19611962: 4 May 1962 to 10 October 19621963: 8 May 1963 to 15 October 19631964: 16 April 1964 to 9 September 19641965: 30 April 1965 to 9 September 19651966: 5 May 1966 to 12 September 19661967: 16 April 1967 to 2 October 19671968: 2 May 1968 to 14 October 19681969: 5 June 1969 to 31 August 19691970: 27 April 1970 to 21 September 19701971: 14 May 1971 to 2 October 19711972: 18 May 1972 to 19 September 19721974: 20 May 1974 to 27 August 19741975: 18 May 1975 to 13 October 19751976: 20 May 1976 to 2 October 19761977: 4 June 1977 to 28 August 19771978: 25 May 1978 to 11 September 19781979: 6 June 1979 to 12 September 19791980: 20 April 1980 to 21 September 19801981: 5 June 1981 to 14 August 19811982: 3 July 1982 to 5 August 19821983: 21 June 1983 to 10 September 19831984: 17 June 1984 to 24 September 19841985: 18 April 1985 to 19 September 19851986: 29 March 1986 to 26 September 19861987: 20 April 1987 to 1 October 19871988: 14 May 1988 to 22 September 19881989: 24 April 1989 to 31 August 19891990: 9 June 1990 to 5 October 19901991: 6 April 1991 to 13 September 19911992: 30 April 1992 to 3 October 19921993: 10 June 1993 to 12 September 19931994: 18 April 1994 to 30 September 19941995: 7 June 1995 to 13 September 19951996: 17 May 1996 to 7 September 19961997: 17 May 1997 to 7 October 19971998: 15 May 1998 to 27 September 19981999: 6 June 1999 to 8 September 19992000: 8 May 2000 to 19 September 20002001: 15 May 2001 to 4 September 20012002: 16 April 2002 to 1 October 20022003: 2 April 2003 to 12 September 20032004: 17 April 2004 to 15 September 20042005: 7 June 2005 to 5 October 20052006: 14 April 2006 to 4 October 20062007: 30 April 2007 to 22 September 20072008: 26 May 2008 to 3 September 20082009: 18 June 2009 to 15 August 20092010: 24 May 2010 to 21 September 20102011: 11 April 2011 to 13 September 20112012: 16 May 2012 to 13 September 20122013: 1 May 2013 to 20 September 20132014: 8 May 2014 to 5 September 20142015: 9 June 2015 to 17 September 20152016: 31 May 2016 to 25 September 20162017: 16 May 2017 to 26 September 20172018: 24 May 2018 to 4 October 20182019: 17 May 2019 to 1 October 20192020: 26 May 2020 to 7 September 20202021: 27 April 2021 to 1 October 20212022: 10 May 2022 to 21 September 20222023: 25 May 2023 to 4 October 202318931953196319741984199420042014JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Newton meeting 30 C (86 F).
First to last qualifying date each year at Newton
YearFirst dateLast date
18931893-06-121893-10-01
18941894-04-281894-09-08
18951895-03-291895-09-21
18961896-04-151896-08-14
18971897-06-121897-10-15
18981898-04-161898-09-28
19491949-04-251949-08-26
19501950-04-221950-10-31
19511951-07-071951-08-30
19521952-04-291952-09-30
19531953-05-251953-10-15
19541954-05-151954-10-03
19551955-04-181955-09-19
19561956-05-091956-10-12
19571957-06-051957-09-01
19581958-05-111958-10-04
19591959-05-021959-09-20
19601960-04-221960-09-07
19611961-05-311961-09-11
19621962-05-041962-10-10
19631963-05-081963-10-15
19641964-04-161964-09-09
19651965-04-301965-09-09
19661966-05-051966-09-12
19671967-04-161967-10-02
19681968-05-021968-10-14
19691969-06-051969-08-31
19701970-04-271970-09-21
19711971-05-141971-10-02
19721972-05-181972-09-19
19741974-05-201974-08-27
19751975-05-181975-10-13
19761976-05-201976-10-02
19771977-06-041977-08-28
19781978-05-251978-09-11
19791979-06-061979-09-12
19801980-04-201980-09-21
19811981-06-051981-08-14
19821982-07-031982-08-05
19831983-06-211983-09-10
19841984-06-171984-09-24
19851985-04-181985-09-19
19861986-03-291986-09-26
19871987-04-201987-10-01
19881988-05-141988-09-22
19891989-04-241989-08-31
19901990-06-091990-10-05
19911991-04-061991-09-13
19921992-04-301992-10-03
19931993-06-101993-09-12
19941994-04-181994-09-30
19951995-06-071995-09-13
19961996-05-171996-09-07
19971997-05-171997-10-07
19981998-05-151998-09-27
19991999-06-061999-09-08
20002000-05-082000-09-19
20012001-05-152001-09-04
20022002-04-162002-10-01
20032003-04-022003-09-12
20042004-04-172004-09-15
20052005-06-072005-10-05
20062006-04-142006-10-04
20072007-04-302007-09-22
20082008-05-262008-09-03
20092009-06-182009-08-15
20102010-05-242010-09-21
20112011-04-112011-09-13
20122012-05-162012-09-13
20132013-05-012013-09-20
20142014-05-082014-09-05
20152015-06-092015-09-17
20162016-05-312016-09-25
20172017-05-162017-09-26
20182018-05-242018-10-04
20192019-05-172019-10-01
20202020-05-262020-09-07
20212021-04-272021-10-01
20222022-05-102022-09-21
20232023-05-252023-10-04

Every Fixed Threshold

Fixed thresholds at Newton
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days8080198843
35 C (95 F): Days693019886
40 C (104 F): Days4218942
90 F (32.2 C): Days8056198825
100 F (37.8 C): Days191219881
0 C (32 F): Ice days (max8086197833
0 C (32 F): Frost days (min791662018153
-10 C (14 F): Days with min7984189332
-20 C (-4 F): Days with min773219634
-30 C (-22 F): Days with min12320092
20 C (68 F): Tropical nights (min7942195512
25 C (77 F): Days with min27819881
10 mm (0.39 in): Days with 10 mm or more rain7943199325
25 mm (0.98 in): Days with 25 mm or more rain791920107
50 mm (1.97 in): Days with 50 mm or more rain57620101
100 mm (3.94 in): Days with 100 mm or more rain4119701
10 cm (3.9 in): Days with 10 cm or more snowfall54620001
25 cm (9.8 in): Days with 25 cm or more snowfall8119511

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

  • Data for Newton 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).