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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Terminillo Mountain Threshold Days by Year (ITM00016219)

5 fixed thresholds counted per year at Terminillo Mountain (ITM00016219): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Terminillo Mountain Thresholds

  • 5 fixed thresholds have at least one qualifying day at Terminillo Mountain.
3 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Terminillo Mountain Days per year at Terminillo Mountain with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. 01020301977: 241978: 92025: 28197719782025
Days per year at Terminillo Mountain 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 Terminillo Mountain
YearDaysDecade average
19772416.5
1978916.5
20252828
First to last qualifying date each year at Terminillo Mountain For each year, a bar from the first to the last day at Terminillo Mountain meeting 10 mm (0.39 in). 1977: 5 January 1977 to 30 November 19771978: 25 February 1978 to 14 December 19782025: 3 January 2025 to 21 May 2025197719782025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Terminillo Mountain meeting 10 mm (0.39 in).
First to last qualifying date each year at Terminillo Mountain
YearFirst dateLast date
19771977-01-051977-11-30
19781978-02-251978-12-14
20252025-01-032025-05-21

Every Fixed Threshold

Fixed thresholds at Terminillo Mountain
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max10n/a3
0 C (32 F): Frost days (min10n/a25
10 mm (0.39 in): Days with 10 mm or more rain30n/a28
25 mm (0.98 in): Days with 25 mm or more rain20n/a7
50 mm (1.97 in): Days with 50 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 2025.

Download the Data

  • Data for Terminillo Mountain 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).