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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Toston 2 SW Threshold Days by Year

12 fixed thresholds counted per year at Toston 2 SW (USC00248313): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Toston 2 SW Thresholds

  • Toston 2 SW: days with a maximum temperature at or above 30 C (86 F) in 5 years, most in 1904 with 36.
  • Toston 2 SW: days with a maximum temperature at or above 90 F (32.2 C) in 5 years, most in 1904 with 20.
  • Toston 2 SW: days with a maximum temperature at or below 0 C (32 F) in 5 years, most in 1905 with 63.
  • Toston 2 SW: days with 10 mm (0.39 in) or more of precipitation in 5 years, most in 1908 with 7.
  • 12 fixed thresholds have at least one qualifying day at Toston 2 SW.
5 years with a qualifying day
Days at or above 30 C (86 F) per year at Toston 2 SW Days per year at Toston 2 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 36 in 1904. 0102030401902: 131903: 131904: 361905: 351908: 2919021903190419051908
Days per year at Toston 2 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 36 in 1904.
Days at or above 30 C (86 F) per year at Toston 2 SW
YearDaysDecade average
19021325.2
19031325.2
19043625.2
19053525.2
19082925.2
First to last qualifying date each year at Toston 2 SW For each year, a bar from the first to the last day at Toston 2 SW meeting 30 C (86 F). 1902: 8 June 1902 to 25 August 19021903: 13 May 1903 to 29 August 19031904: 1 July 1904 to 8 September 19041905: 6 July 1905 to 6 September 19051908: 25 June 1908 to 11 September 190819021903190419051908JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Toston 2 SW meeting 30 C (86 F).
First to last qualifying date each year at Toston 2 SW
YearFirst dateLast date
19021902-06-081902-08-25
19031903-05-131903-08-29
19041904-07-011904-09-08
19051905-07-061905-09-06
19081908-06-251908-09-11

Every Fixed Threshold

Fixed thresholds at Toston 2 SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days536190429
35 C (95 F): Days2119051
90 F (32.2 C): Days520190411
0 C (32 F): Ice days (max563190532
0 C (32 F): Frost days (min42291903193
-10 C (14 F): Days with min474190366
-20 C (-4 F): Days with min42019056
-30 C (-22 F): Days with min4319051
20 C (68 F): Tropical nights (min1419054
10 mm (0.39 in): Days with 10 mm or more rain5719083
25 mm (0.98 in): Days with 25 mm or more rain1119081
10 cm (3.9 in): Days with 10 cm or more snowfall1119081

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.

Download the Data

  • Data for Toston 2 SW 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).