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Built 2026-10-19 (19 October 2026)

Morrisville-Stowe State AP Threshold Days by Year (USC00435376)

16 fixed thresholds counted per year at Morrisville-Stowe State AP (USC00435376): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Morrisville-Stowe State AP Thresholds

  • Morrisville-Stowe State AP: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1973 with 49.
  • Morrisville-Stowe State AP: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 2003 with 15.
  • Morrisville-Stowe State AP: days with a maximum temperature at or below 0 C (32 F) in 39 years, most in 1978 with 95.
  • Morrisville-Stowe State AP: days with a maximum temperature at or above 30 C (86 F) in 38 years, most in 1970 with 34.
  • 16 fixed thresholds have at least one qualifying day at Morrisville-Stowe State AP.
38 years with a qualifying day
Days at or above 30 C (86 F) per year at Morrisville-Stowe State AP Days per year at Morrisville-Stowe State AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1970. 0102030401963: 261964: 211965: 211966: 291967: 191968: 111969: 191970: 341971: 211972: 171973: 301974: 181977: 141978: 131979: 121987: 191988: 321994: 81995: 151996: 21999: 162001: 172002: 192003: 302004: 72005: 132006: 52007: 72008: 52018: 182019: 112020: 242021: 192022: 212023: 142024: 142025: 232026: 101963196719711977198819992004200820212025
Days per year at Morrisville-Stowe State AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1970.
Days at or above 30 C (86 F) per year at Morrisville-Stowe State AP
YearDaysDecade average
19632620.9
19642120.9
19652120.9
19662920.9
19671920.9
19681120.9
19691920.9
19703419.9
19712119.9
19721719.9
19733019.9
19741819.9
19771419.9
19781319.9
19791219.9
19871925.5
19883225.5
1994810.3
19951510.3
1996210.3
19991610.3
20011712.9
20021912.9
20033012.9
2004712.9
20051312.9
2006512.9
2007712.9
2008512.9
20181814.5
20191114.5
20202417.9
20211917.9
20222117.9
20231417.9
20241417.9
20252317.9
20261017.9
First to last qualifying date each year at Morrisville-Stowe State AP For each year, a bar from the first to the last day at Morrisville-Stowe State AP meeting 30 C (86 F). 1963: 2 June 1963 to 7 October 19631964: 7 May 1964 to 30 August 19641965: 7 June 1965 to 23 September 19651966: 24 May 1966 to 30 August 19661967: 3 June 1967 to 17 August 19671968: 1 July 1968 to 25 August 19681969: 12 June 1969 to 1 September 19691970: 1 May 1970 to 22 September 19701971: 19 May 1971 to 20 August 19711972: 23 May 1972 to 25 August 19721973: 11 June 1973 to 5 September 19731974: 15 May 1974 to 23 August 19741977: 18 May 1977 to 2 September 19771978: 27 May 1978 to 17 August 19781979: 10 May 1979 to 1 August 19791987: 31 May 1987 to 20 August 19871988: 13 June 1988 to 18 August 19881994: 16 June 1994 to 22 July 19941995: 19 June 1995 to 18 August 19951996: 7 August 1996 to 8 August 19961999: 31 May 1999 to 5 September 19992001: 15 June 2001 to 10 September 20012002: 18 April 2002 to 20 September 20022003: 20 May 2003 to 23 August 20032004: 5 July 2004 to 30 August 20042005: 10 June 2005 to 11 August 20052006: 1 June 2006 to 18 July 20062007: 11 May 2007 to 8 September 20072008: 8 June 2008 to 6 September 20082018: 17 June 2018 to 5 September 20182019: 4 July 2019 to 30 July 20192020: 26 May 2020 to 11 August 20202021: 20 May 2021 to 26 August 20212022: 12 May 2022 to 30 August 20222023: 28 May 2023 to 4 October 20232024: 3 June 2024 to 3 August 20242025: 4 June 2025 to 6 October 20252026: 18 May 2026 to 7 August 202619631968197319871999200520192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Morrisville-Stowe State AP meeting 30 C (86 F).
First to last qualifying date each year at Morrisville-Stowe State AP
YearFirst dateLast date
19631963-06-021963-10-07
19641964-05-071964-08-30
19651965-06-071965-09-23
19661966-05-241966-08-30
19671967-06-031967-08-17
19681968-07-011968-08-25
19691969-06-121969-09-01
19701970-05-011970-09-22
19711971-05-191971-08-20
19721972-05-231972-08-25
19731973-06-111973-09-05
19741974-05-151974-08-23
19771977-05-181977-09-02
19781978-05-271978-08-17
19791979-05-101979-08-01
19871987-05-311987-08-20
19881988-06-131988-08-18
19941994-06-161994-07-22
19951995-06-191995-08-18
19961996-08-071996-08-08
19991999-05-311999-09-05
20012001-06-152001-09-10
20022002-04-182002-09-20
20032003-05-202003-08-23
20042004-07-052004-08-30
20052005-06-102005-08-11
20062006-06-012006-07-18
20072007-05-112007-09-08
20082008-06-082008-09-06
20182018-06-172018-09-05
20192019-07-042019-07-30
20202020-05-262020-08-11
20212021-05-202021-08-26
20222022-05-122022-08-30
20232023-05-282023-10-04
20242024-06-032024-08-03
20252025-06-042025-10-06
20262026-05-182026-08-07

Every Fixed Threshold

Fixed thresholds at Morrisville-Stowe State AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3834197010
35 C (95 F): Days6419882
90 F (32.2 C): Days351519704
0 C (32 F): Ice days (max3995197846
0 C (32 F): Frost days (min362041972114
-10 C (14 F): Days with min3695197849
-20 C (-4 F): Days with min3649200323
-30 C (-22 F): Days with min271019681
20 C (68 F): Tropical nights (min21820252
10 mm (0.39 in): Days with 10 mm or more rain4049197319
25 mm (0.98 in): Days with 25 mm or more rain401520035
50 mm (1.97 in): Days with 50 mm or more rain22319731
100 mm (3.94 in): Days with 100 mm or more rain2119951
10 cm (3.9 in): Days with 10 cm or more snowfall321719718
25 cm (9.8 in): Days with 25 cm or more snowfall21519691
50 cm (19.7 in): Days with 50 cm or more snowfall1120071

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

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

Data as of . Last revised (2026-10-17).