Built 2026-10-19 (19 October 2026)

Iosepa South Rch Threshold Days by Year (USC00424233)

14 fixed thresholds counted per year at Iosepa South Rch (USC00424233): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Iosepa South Rch Thresholds

  • Iosepa South Rch: nights with a minimum temperature at or below 0 C (32 F) in 11 years, most in 1954 with 185.
  • Iosepa South Rch: nights with a minimum temperature at or below -10 C (14 F) in 11 years, most in 1955 with 56.
  • Iosepa South Rch: days with a maximum temperature at or above 30 C (86 F) in 10 years, most in 1958 with 119.
  • Iosepa South Rch: days with a maximum temperature at or above 35 C (95 F) in 10 years, most in 1952 with 46.
  • 14 fixed thresholds have at least one qualifying day at Iosepa South Rch.
10 years with a qualifying day
Days at or above 30 C (86 F) per year at Iosepa South Rch Days per year at Iosepa South Rch with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 119 in 1958. 0501001501911: 931912: 721913: 821952: 1031953: 971954: 881955: 891956: 1051957: 901958: 1191911191219131952195319541955195619571958
Days per year at Iosepa South Rch with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 119 in 1958.
Days at or above 30 C (86 F) per year at Iosepa South Rch
YearDaysDecade average
19119382.3
19127282.3
19138282.3
195210398.7
19539798.7
19548898.7
19558998.7
195610598.7
19579098.7
195811998.7
First to last qualifying date each year at Iosepa South Rch For each year, a bar from the first to the last day at Iosepa South Rch meeting 30 C (86 F). 1911: 5 May 1911 to 27 September 19111912: 16 May 1912 to 3 September 19121913: 6 May 1913 to 18 September 19131952: 12 May 1952 to 5 October 19521953: 10 June 1953 to 9 October 19531954: 6 May 1954 to 18 October 19541955: 5 May 1955 to 13 September 19551956: 17 May 1956 to 7 October 19561957: 2 June 1957 to 1 October 19571958: 16 May 1958 to 15 October 195819111913195319551957JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Iosepa South Rch meeting 30 C (86 F).
First to last qualifying date each year at Iosepa South Rch
YearFirst dateLast date
19111911-05-051911-09-27
19121912-05-161912-09-03
19131913-05-061913-09-18
19521952-05-121952-10-05
19531953-06-101953-10-09
19541954-05-061954-10-18
19551955-05-051955-09-13
19561956-05-171956-10-07
19571957-06-021957-10-01
19581958-05-161958-10-15

Every Fixed Threshold

Fixed thresholds at Iosepa South Rch
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days101191958119
35 C (95 F): Days1046195242
40 C (104 F): Days4219541
90 F (32.2 C): Days101001958100
100 F (37.8 C): Days1014191113
0 C (32 F): Ice days (max92919132
0 C (32 F): Frost days (min111851954146
-10 C (14 F): Days with min1156195531
-20 C (-4 F): Days with min7819562
20 C (68 F): Tropical nights (min8719121
25 C (77 F): Days with min1119121
10 mm (0.39 in): Days with 10 mm or more rain71619544
25 mm (0.98 in): Days with 25 mm or more rain4119521
10 cm (3.9 in): Days with 10 cm or more snowfall3319523

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.

Download the Data

  • Data for Iosepa South Rch 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 (2025-12-31).