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

Tomakomai Threshold Days by Year (JA000047424)

13 fixed thresholds counted per year at Tomakomai (JA000047424): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tomakomai Thresholds

  • Tomakomai: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 1955 with 50.
  • Tomakomai: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 1972 with 21.
  • Tomakomai: days with 50 mm (1.97 in) or more of precipitation in 51 years, most in 1981 with 8.
  • Tomakomai: days with a maximum temperature at or below 0 C (32 F) in 47 years, most in 1984 with 76.
  • 13 fixed thresholds have at least one qualifying day at Tomakomai.
13 years with a qualifying day
Days at or above 30 C (86 F) per year at Tomakomai Days per year at Tomakomai with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 2025. 012341951: 11952: 21966: 11978: 11982: 21984: 21985: 11989: 12005: 12007: 32011: 22025: 42026: 11951196619821985200520112026
Days per year at Tomakomai with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 2025.
Days at or above 30 C (86 F) per year at Tomakomai
YearDaysDecade average
195111.5
195221.5
196611
197811
198221.5
198421.5
198511.5
198911.5
200512
200732
201122
202542.5
202612.5
First to last qualifying date each year at Tomakomai For each year, a bar from the first to the last day at Tomakomai meeting 30 C (86 F). 1951: 10 August 1951 to 10 August 19511952: 24 July 1952 to 9 August 19521966: 24 August 1966 to 24 August 19661978: 5 August 1978 to 5 August 19781982: 4 August 1982 to 5 August 19821984: 9 August 1984 to 18 August 19841985: 12 August 1985 to 12 August 19851989: 2 August 1989 to 2 August 19892005: 6 August 2005 to 6 August 20052007: 14 August 2007 to 22 August 20072011: 11 August 2011 to 12 August 20112025: 8 July 2025 to 15 August 20252026: 11 August 2026 to 11 August 20261951196619821985200520112026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tomakomai meeting 30 C (86 F).
First to last qualifying date each year at Tomakomai
YearFirst dateLast date
19511951-08-101951-08-10
19521952-07-241952-08-09
19661966-08-241966-08-24
19781978-08-051978-08-05
19821982-08-041982-08-05
19841984-08-091984-08-18
19851985-08-121985-08-12
19891989-08-021989-08-02
20052005-08-062005-08-06
20072007-08-142007-08-22
20112011-08-112011-08-12
20252025-07-082025-08-15
20262026-08-112026-08-11

Every Fixed Threshold

Fixed thresholds at Tomakomai
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days13420251
35 C (95 F): Days1120071
90 F (32.2 C): Days2120071
0 C (32 F): Ice days (max4776198423
0 C (32 F): Frost days (min41163195272
-10 C (14 F): Days with min417319528
-20 C (-4 F): Days with min3219511
20 C (68 F): Tropical nights (min3940202516
10 mm (0.39 in): Days with 10 mm or more rain5350195526
25 mm (0.98 in): Days with 25 mm or more rain5321197217
50 mm (1.97 in): Days with 50 mm or more rain518198114
100 mm (3.94 in): Days with 100 mm or more rain20419819
200 mm (7.87 in): Days with 200 mm or more rain10n/a4

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.

Download the Data

  • Data for Tomakomai 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).