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Built 2026-10-19 (19 October 2026)

Sunbury Threshold Days by Year (USC00368668)

16 fixed thresholds counted per year at Sunbury (USC00368668): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sunbury Thresholds

  • Sunbury: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 2011 with 56.
  • Sunbury: days with 25 mm (0.98 in) or more of precipitation in 74 years, most in 2023 with 19.
  • Sunbury: days with 50 mm (1.97 in) or more of precipitation in 54 years, most in 2011 with 6.
  • Sunbury: days with 10 cm (3.9 in) or more of snowfall in 54 years, most in 1936 with 5.
  • 16 fixed thresholds have at least one qualifying day at Sunbury.
37 years with a qualifying day
Days at or above 30 C (86 F) per year at Sunbury Days per year at Sunbury with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 77 in 1959. 0204060801958: 421959: 771960: 401961: 561962: 591963: 441964: 561966: 531967: 191969: 181970: 311971: 201972: 151973: 411974: 191975: 292006: 272007: 432008: 302009: 142010: 522011: 372012: 482013: 372014: 232015: 402016: 692017: 292018: 442019: 422020: 512021: 502022: 562023: 312024: 452025: 432026: 341958196219671972200620102014201820222026
Days per year at Sunbury with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 77 in 1959.
Days at or above 30 C (86 F) per year at Sunbury
YearDaysDecade average
19584259.5
19597759.5
19604043.1
19615643.1
19625943.1
19634443.1
19645643.1
19665343.1
19671943.1
19691843.1
19703125.8
19712025.8
19721525.8
19734125.8
19741925.8
19752925.8
20062728.5
20074328.5
20083028.5
20091428.5
20105242.1
20113742.1
20124842.1
20133742.1
20142342.1
20154042.1
20166942.1
20172942.1
20184442.1
20194242.1
20205144.3
20215044.3
20225644.3
20233144.3
20244544.3
20254344.3
20263444.3
First to last qualifying date each year at Sunbury For each year, a bar from the first to the last day at Sunbury meeting 30 C (86 F). 1958: 1 June 1958 to 27 September 19581959: 7 May 1959 to 7 October 19591960: 24 April 1960 to 10 September 19601961: 2 June 1961 to 26 September 19611962: 27 April 1962 to 14 September 19621963: 9 May 1963 to 8 October 19631964: 18 April 1964 to 24 September 19641966: 5 June 1966 to 4 September 19661967: 9 June 1967 to 19 August 19671969: 30 May 1969 to 2 September 19691970: 23 May 1970 to 26 September 19701971: 20 May 1971 to 10 September 19711972: 25 May 1972 to 18 September 19721973: 5 June 1973 to 6 September 19731974: 30 April 1974 to 22 August 19741975: 21 May 1975 to 28 August 19752006: 30 May 2006 to 15 August 20062007: 16 May 2007 to 10 October 20072008: 7 June 2008 to 15 September 20082009: 26 April 2009 to 20 August 20092010: 7 April 2010 to 25 September 20102011: 27 May 2011 to 19 August 20112012: 17 April 2012 to 8 September 20122013: 22 May 2013 to 12 September 20132014: 14 May 2014 to 7 September 20142015: 9 May 2015 to 10 September 20152016: 26 May 2016 to 24 September 20162017: 18 May 2017 to 28 September 20172018: 15 April 2018 to 17 September 20182019: 27 June 2019 to 3 October 20192020: 27 May 2020 to 9 September 20202021: 2 May 2021 to 16 September 20212022: 21 May 2022 to 4 September 20222023: 14 April 2023 to 10 September 20232024: 30 April 2024 to 2 September 20242025: 20 April 2025 to 29 September 20252026: 16 April 2026 to 5 September 202619581963197019752010201520202025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sunbury meeting 30 C (86 F).
First to last qualifying date each year at Sunbury
YearFirst dateLast date
19581958-06-011958-09-27
19591959-05-071959-10-07
19601960-04-241960-09-10
19611961-06-021961-09-26
19621962-04-271962-09-14
19631963-05-091963-10-08
19641964-04-181964-09-24
19661966-06-051966-09-04
19671967-06-091967-08-19
19691969-05-301969-09-02
19701970-05-231970-09-26
19711971-05-201971-09-10
19721972-05-251972-09-18
19731973-06-051973-09-06
19741974-04-301974-08-22
19751975-05-211975-08-28
20062006-05-302006-08-15
20072007-05-162007-10-10
20082008-06-072008-09-15
20092009-04-262009-08-20
20102010-04-072010-09-25
20112011-05-272011-08-19
20122012-04-172012-09-08
20132013-05-222013-09-12
20142014-05-142014-09-07
20152015-05-092015-09-10
20162016-05-262016-09-24
20172017-05-182017-09-28
20182018-04-152018-09-17
20192019-06-272019-10-03
20202020-05-272020-09-09
20212021-05-022021-09-16
20222022-05-212022-09-04
20232023-04-142023-09-10
20242024-04-302024-09-02
20252025-04-202025-09-29
20262026-04-162026-09-05

Every Fixed Threshold

Fixed thresholds at Sunbury
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3777195934
35 C (95 F): Days22919596
90 F (32.2 C): Days3742195913
100 F (37.8 C): Days5119591
0 C (32 F): Ice days (max3744197026
0 C (32 F): Frost days (min37164196480
-10 C (14 F): Days with min3754196323
-20 C (-4 F): Days with min161119612
20 C (68 F): Tropical nights (min352220189
25 C (77 F): Days with min1120221
10 mm (0.39 in): Days with 10 mm or more rain7456201135
25 mm (0.98 in): Days with 25 mm or more rain741920238
50 mm (1.97 in): Days with 50 mm or more rain54620111
100 mm (3.94 in): Days with 100 mm or more rain10119341
10 cm (3.9 in): Days with 10 cm or more snowfall54519361
25 cm (9.8 in): Days with 25 cm or more snowfall13219711

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Sunbury 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).