Built 2026-10-18 (18 October 2026)

Saco 1 NNW Threshold Days by Year

16 fixed thresholds counted per year at Saco 1 NNW (USC00247265): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Saco 1 NNW Thresholds

  • Saco 1 NNW: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 2016 with 23.
  • Saco 1 NNW: nights with a minimum temperature at or below 0 C (32 F) in 47 years, most in 1970 with 217.
  • Saco 1 NNW: nights with a minimum temperature at or below -10 C (14 F) in 47 years, most in 1970 with 116.
  • Saco 1 NNW: nights with a minimum temperature at or below -20 C (-4 F) in 47 years, most in 1978 with 58.
  • 16 fixed thresholds have at least one qualifying day at Saco 1 NNW.
45 years with a qualifying day
Days at or above 30 C (86 F) per year at Saco 1 NNW Days per year at Saco 1 NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 70 in 1988. 0204060801967: 571968: 401969: 501970: 551971: 591972: 331975: 171976: 191977: 191978: 241979: 391980: 331981: 411984: 521988: 701989: 331990: 451991: 421992: 251994: 401998: 561999: 312000: 332001: 522002: 332003: 522007: 342009: 312010: 232011: 482012: 462013: 372014: 292015: 292016: 212017: 482018: 272019: 172020: 312021: 352022: 492023: 302024: 402025: 362026: 32196719721979198919982003201220172022
Days per year at Saco 1 NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 70 in 1988.
Days at or above 30 C (86 F) per year at Saco 1 NNW
YearDaysDecade average
19675749
19684049
19695049
19705533.1
19715933.1
19723333.1
19751733.1
19761933.1
19771933.1
19782433.1
19793933.1
19803345.8
19814145.8
19845245.8
19887045.8
19893345.8
19904539.8
19914239.8
19922539.8
19944039.8
19985639.8
19993139.8
20003339.2
20015239.2
20023339.2
20035239.2
20073439.2
20093139.2
20102332.5
20114832.5
20124632.5
20133732.5
20142932.5
20152932.5
20162132.5
20174832.5
20182732.5
20191732.5
20203136.1
20213536.1
20224936.1
20233036.1
20244036.1
20253636.1
20263236.1
First to last qualifying date each year at Saco 1 NNW For each year, a bar from the first to the last day at Saco 1 NNW meeting 30 C (86 F). 1967: 17 May 1967 to 29 September 19671968: 29 April 1968 to 11 September 19681969: 13 May 1969 to 18 September 19691970: 17 May 1970 to 4 October 19701971: 13 May 1971 to 11 September 19711972: 17 May 1972 to 9 September 19721975: 4 July 1975 to 6 August 19751976: 30 June 1976 to 17 September 19761977: 26 April 1977 to 25 August 19771978: 15 May 1978 to 5 September 19781979: 11 June 1979 to 4 October 19791980: 20 April 1980 to 8 October 19801981: 26 June 1981 to 19 September 19811984: 15 May 1984 to 18 September 19841988: 16 May 1988 to 6 September 19881989: 15 June 1989 to 16 September 19891990: 21 April 1990 to 25 September 19901991: 20 May 1991 to 7 September 19911992: 5 May 1992 to 1 October 19921994: 23 June 1994 to 24 September 19941998: 3 May 1998 to 18 September 19981999: 18 June 1999 to 30 August 19992000: 7 June 2000 to 17 September 20002001: 27 April 2001 to 27 September 20012002: 21 May 2002 to 16 September 20022003: 25 May 2003 to 7 September 20032007: 22 June 2007 to 4 September 20072009: 30 May 2009 to 24 September 20092010: 29 June 2010 to 28 September 20102011: 28 June 2011 to 1 October 20112012: 24 April 2012 to 15 September 20122013: 13 May 2013 to 18 September 20132014: 24 May 2014 to 26 September 20142015: 9 June 2015 to 26 September 20152016: 6 May 2016 to 4 September 20162017: 6 May 2017 to 13 September 20172018: 17 May 2018 to 18 August 20182019: 14 July 2019 to 17 September 20192020: 1 June 2020 to 6 September 20202021: 18 May 2021 to 6 October 20212022: 18 June 2022 to 30 September 20222023: 23 May 2023 to 18 September 20232024: 23 June 2024 to 30 September 20242025: 4 May 2025 to 1 October 20252026: 14 May 2026 to 5 September 202619671975198119922002201220182024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Saco 1 NNW meeting 30 C (86 F).
First to last qualifying date each year at Saco 1 NNW
YearFirst dateLast date
19671967-05-171967-09-29
19681968-04-291968-09-11
19691969-05-131969-09-18
19701970-05-171970-10-04
19711971-05-131971-09-11
19721972-05-171972-09-09
19751975-07-041975-08-06
19761976-06-301976-09-17
19771977-04-261977-08-25
19781978-05-151978-09-05
19791979-06-111979-10-04
19801980-04-201980-10-08
19811981-06-261981-09-19
19841984-05-151984-09-18
19881988-05-161988-09-06
19891989-06-151989-09-16
19901990-04-211990-09-25
19911991-05-201991-09-07
19921992-05-051992-10-01
19941994-06-231994-09-24
19981998-05-031998-09-18
19991999-06-181999-08-30
20002000-06-072000-09-17
20012001-04-272001-09-27
20022002-05-212002-09-16
20032003-05-252003-09-07
20072007-06-222007-09-04
20092009-05-302009-09-24
20102010-06-292010-09-28
20112011-06-282011-10-01
20122012-04-242012-09-15
20132013-05-132013-09-18
20142014-05-242014-09-26
20152015-06-092015-09-26
20162016-05-062016-09-04
20172017-05-062017-09-13
20182018-05-172018-08-18
20192019-07-142019-09-17
20202020-06-012020-09-06
20212021-05-182021-10-06
20222022-06-182022-09-30
20232023-05-232023-09-18
20242024-06-232024-09-30
20252025-05-042025-10-01
20262026-05-142026-09-05

Every Fixed Threshold

Fixed thresholds at Saco 1 NNW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4570198832
35 C (95 F): Days442319718
40 C (104 F): Days6219711
90 F (32.2 C): Days4549198821
100 F (37.8 C): Days22819712
0 C (32 F): Ice days (max45100197830
0 C (32 F): Frost days (min472171970120
-10 C (14 F): Days with min47116197039
-20 C (-4 F): Days with min475819788
-30 C (-22 F): Days with min432219721
-40 C (-40 F): Days with min18719722
20 C (68 F): Tropical nights (min13419882
10 mm (0.39 in): Days with 10 mm or more rain532320169
25 mm (0.98 in): Days with 25 mm or more rain43920161
50 mm (1.97 in): Days with 50 mm or more rain8420141
10 cm (3.9 in): Days with 10 cm or more snowfall10320102

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.

Download the Data

  • Data for Saco 1 NNW 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 (2026-10-17).