Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Swift River Threshold Days by Year (CA002101081)

11 fixed thresholds counted per year at Swift River (CA002101081): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Swift River Thresholds

  • Swift River: days with 10 cm (3.9 in) or more of snowfall in 15 years, most in 1969 with 6.
  • Swift River: days with 10 mm (0.39 in) or more of precipitation in 14 years, most in 1969 with 13.
  • Swift River: days with a maximum temperature at or below 0 C (32 F) in 8 years, most in 1975 with 144.
  • Swift River: nights with a minimum temperature at or below 0 C (32 F) in 8 years, most in 1975 with 269.
  • 11 fixed thresholds have at least one qualifying day at Swift River.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Swift River Days per year at Swift River with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 1969. 01231969: 31971: 11977: 11983: 11969197119771983
Days per year at Swift River with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 1969.
Days at or above 30 C (86 F) per year at Swift River
YearDaysDecade average
196933
197111
197711
198311
First to last qualifying date each year at Swift River For each year, a bar from the first to the last day at Swift River meeting 30 C (86 F). 1969: 13 June 1969 to 15 June 19691971: 1 August 1971 to 1 August 19711977: 19 August 1977 to 19 August 19771983: 30 May 1983 to 30 May 19831969197119771983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Swift River meeting 30 C (86 F).
First to last qualifying date each year at Swift River
YearFirst dateLast date
19691969-06-131969-06-15
19711971-08-011971-08-01
19771977-08-191977-08-19
19831983-05-301983-05-30

Every Fixed Threshold

Fixed thresholds at Swift River
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4319691
0 C (32 F): Ice days (max81441975140
0 C (32 F): Frost days (min82691975241
-10 C (14 F): Days with min81561975150
-20 C (-4 F): Days with min890197273
-30 C (-22 F): Days with min844197225
-40 C (-40 F): Days with min81419691
10 mm (0.39 in): Days with 10 mm or more rain141319697
25 mm (0.98 in): Days with 25 mm or more rain6219691
10 cm (3.9 in): Days with 10 cm or more snowfall15619693
25 cm (9.8 in): Days with 25 cm or more snowfall3119691

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for Swift River 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).