Built 2026-10-17 (17 October 2026)

Rosario Threshold Days by Year

5 fixed thresholds counted per year at Rosario (ARM00087480): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rosario Thresholds

  • 5 fixed thresholds have at least one qualifying day at Rosario.
2 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Rosario Days per year at Rosario with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. 01020301981: 241998: 2719811998
Days per year at Rosario with 10 mm (0.39 in) or more of precipitation, with the decade average as a line.
Days with 10 mm (0.39 in) or more of precipitation per year at Rosario
YearDaysDecade average
19812424
19982727
First to last qualifying date each year at Rosario For each year, a bar from the first to the last day at Rosario meeting 10 mm (0.39 in). 1981: 6 January 1981 to 31 December 19811998: 1 January 1998 to 28 December 199819811998JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rosario meeting 10 mm (0.39 in).
First to last qualifying date each year at Rosario
YearFirst dateLast date
19811981-01-061981-12-31
19981998-01-011998-12-28

Every Fixed Threshold

Fixed thresholds at Rosario
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain20n/a27
25 mm (0.98 in): Days with 25 mm or more rain20n/a13
50 mm (1.97 in): Days with 50 mm or more rain20n/a4
100 mm (3.94 in): Days with 100 mm or more rain20n/a3
200 mm (7.87 in): Days with 200 mm or more rain10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for Rosario 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 (2026-10-16).