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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Jaroso Threshold Days by Year

11 fixed thresholds counted per year at Jaroso (USC00054346): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jaroso Thresholds

  • Jaroso: days with 10 mm (0.39 in) or more of precipitation in 9 years, most in 1942 with 11.
  • Jaroso: days with a maximum temperature at or above 30 C (86 F) in 8 years, most in 1945 with 28.
  • Jaroso: days with a maximum temperature at or below 0 C (32 F) in 8 years, most in 1941 with 43.
  • Jaroso: nights with a minimum temperature at or below 0 C (32 F) in 8 years, most in 1944 with 222.
  • 11 fixed thresholds have at least one qualifying day at Jaroso.
8 years with a qualifying day
Days at or above 30 C (86 F) per year at Jaroso Days per year at Jaroso with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 28 in 1945. 01020301940: 191941: 21942: 101943: 181944: 201945: 281946: 271948: 1919401941194219431944194519461948
Days per year at Jaroso with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 28 in 1945.
Days at or above 30 C (86 F) per year at Jaroso
YearDaysDecade average
19401917.9
1941217.9
19421017.9
19431817.9
19442017.9
19452817.9
19462717.9
19481917.9
First to last qualifying date each year at Jaroso For each year, a bar from the first to the last day at Jaroso meeting 30 C (86 F). 1940: 17 June 1940 to 8 September 19401941: 2 August 1941 to 4 August 19411942: 17 June 1942 to 11 August 19421943: 21 June 1943 to 24 August 19431944: 19 June 1944 to 9 September 19441945: 24 June 1945 to 10 September 19451946: 4 June 1946 to 8 August 19461948: 1 July 1948 to 2 September 194819401941194219431944194519461948JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Jaroso meeting 30 C (86 F).
First to last qualifying date each year at Jaroso
YearFirst dateLast date
19401940-06-171940-09-08
19411941-08-021941-08-04
19421942-06-171942-08-11
19431943-06-211943-08-24
19441944-06-191944-09-09
19451945-06-241945-09-10
19461946-06-041946-08-08
19481948-07-011948-09-02

Every Fixed Threshold

Fixed thresholds at Jaroso
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days828194519
90 F (32.2 C): Days7419452
0 C (32 F): Ice days (max843194118
0 C (32 F): Frost days (min82221944198
-10 C (14 F): Days with min899194084
-20 C (-4 F): Days with min843194028
-30 C (-22 F): Days with min71019416
10 mm (0.39 in): Days with 10 mm or more rain91119428
25 mm (0.98 in): Days with 25 mm or more rain3119421
10 cm (3.9 in): Days with 10 cm or more snowfall8519485
25 cm (9.8 in): Days with 25 cm or more snowfall1119441

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1940.

Download the Data

  • Data for Jaroso 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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