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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Tveitsund Threshold Days by Year (NOE00109759)

10 fixed thresholds counted per year at Tveitsund (NOE00109759): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tveitsund Thresholds

  • Tveitsund: nights with a minimum temperature at or below 0 C (32 F) in 82 years, most in 1966 with 180.
  • Tveitsund: nights with a minimum temperature at or below -10 C (14 F) in 82 years, most in 1963 with 68.
  • Tveitsund: days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 2000 with 60.
  • Tveitsund: days with 25 mm (0.98 in) or more of precipitation in 81 years, most in 1950 with 14.
  • 10 fixed thresholds have at least one qualifying day at Tveitsund.
19 years with a qualifying day
Days at or above 30 C (86 F) per year at Tveitsund Days per year at Tveitsund with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 1975. 024681970: 21972: 11975: 71977: 21982: 31983: 11986: 31989: 11991: 41995: 32003: 12005: 12009: 32014: 22018: 52022: 12023: 12025: 12026: 51970197519821986199120032009201820232026
Days per year at Tveitsund with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 1975.
Days at or above 30 C (86 F) per year at Tveitsund
YearDaysDecade average
197023
197213
197573
197723
198232
198312
198632
198912
199143.5
199533.5
200311.7
200511.7
200931.7
201423.5
201853.5
202212
202312
202512
202652
First to last qualifying date each year at Tveitsund For each year, a bar from the first to the last day at Tveitsund meeting 30 C (86 F). 1970: 19 June 1970 to 20 June 19701972: 17 July 1972 to 17 July 19721975: 4 August 1975 to 11 August 19751977: 10 July 1977 to 11 July 19771982: 1 August 1982 to 3 August 19821983: 11 July 1983 to 11 July 19831986: 30 June 1986 to 2 July 19861989: 19 June 1989 to 19 June 19891991: 5 July 1991 to 8 July 19911995: 25 June 1995 to 18 August 19952003: 10 August 2003 to 10 August 20032005: 9 July 2005 to 9 July 20052009: 1 July 2009 to 3 July 20092014: 23 July 2014 to 24 July 20142018: 3 June 2018 to 27 July 20182022: 20 July 2022 to 20 July 20222023: 15 June 2023 to 15 June 20232025: 18 August 2025 to 18 August 20252026: 26 June 2026 to 16 July 20261970197719861995200920222026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tveitsund meeting 30 C (86 F).
First to last qualifying date each year at Tveitsund
YearFirst dateLast date
19701970-06-191970-06-20
19721972-07-171972-07-17
19751975-08-041975-08-11
19771977-07-101977-07-11
19821982-08-011982-08-03
19831983-07-111983-07-11
19861986-06-301986-07-02
19891989-06-191989-06-19
19911991-07-051991-07-08
19951995-06-251995-08-18
20032003-08-102003-08-10
20052005-07-092005-07-09
20092009-07-012009-07-03
20142014-07-232014-07-24
20182018-06-032018-07-27
20222022-07-202022-07-20
20232023-06-152023-06-15
20252025-08-182025-08-18
20262026-06-262026-07-16

Every Fixed Threshold

Fixed thresholds at Tveitsund
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days19719755
90 F (32.2 C): Days10n/a1
0 C (32 F): Ice days (max7197201049
0 C (32 F): Frost days (min82180196687
-10 C (14 F): Days with min8268196319
-20 C (-4 F): Days with min351819662
-30 C (-22 F): Days with min3419661
10 mm (0.39 in): Days with 10 mm or more rain8260200015
25 mm (0.98 in): Days with 25 mm or more rain811419503
50 mm (1.97 in): Days with 50 mm or more rain20219591

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Tveitsund 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).