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

Piedra Threshold Days by Year (USC00046857)

3 fixed thresholds counted per year at Piedra (USC00046857): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Piedra Thresholds

  • Piedra: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 1958 with 26.
  • Piedra: days with 25 mm (0.98 in) or more of precipitation in 22 years, most in 1963 with 8.
  • Piedra: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1950 with 2.
  • 3 fixed thresholds have at least one qualifying day at Piedra.
23 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Piedra Days per year at Piedra with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1958. 01020301915: 211916: 221918: 191919: 121945: 161946: 121947: 51948: 111949: 101950: 161951: 161952: 201953: 71954: 151955: 201956: 101957: 131958: 261959: 61960: 141961: 71962: 141963: 1719151919194719501953195619591962
Days per year at Piedra with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1958.
Days with 10 mm (0.39 in) or more of precipitation per year at Piedra
YearDaysDecade average
19152118.5
19162218.5
19181918.5
19191218.5
19451610.8
19461210.8
1947510.8
19481110.8
19491010.8
19501614.9
19511614.9
19522014.9
1953714.9
19541514.9
19552014.9
19561014.9
19571314.9
19582614.9
1959614.9
19601413
1961713
19621413
19631713
First to last qualifying date each year at Piedra For each year, a bar from the first to the last day at Piedra meeting 10 mm (0.39 in). 1915: 4 January 1915 to 14 December 19151916: 2 January 1916 to 28 December 19161918: 7 February 1918 to 9 December 19181919: 20 January 1919 to 11 December 19191945: 1 February 1945 to 26 December 19451946: 3 February 1946 to 7 December 19461947: 27 January 1947 to 2 November 19471948: 5 February 1948 to 27 December 19481949: 20 January 1949 to 8 December 19491950: 9 January 1950 to 14 December 19501951: 10 January 1951 to 31 December 19511952: 7 January 1952 to 31 December 19521953: 8 January 1953 to 4 December 19531954: 24 January 1954 to 10 December 19541955: 1 January 1955 to 27 December 19551956: 16 January 1956 to 6 December 19561957: 13 January 1957 to 17 December 19571958: 24 January 1958 to 23 September 19581959: 6 January 1959 to 19 September 19591960: 12 January 1960 to 2 December 19601961: 26 January 1961 to 3 December 19611962: 20 January 1962 to 14 October 19621963: 30 January 1963 to 21 November 196319151919194719501953195619591962JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Piedra meeting 10 mm (0.39 in).
First to last qualifying date each year at Piedra
YearFirst dateLast date
19151915-01-041915-12-14
19161916-01-021916-12-28
19181918-02-071918-12-09
19191919-01-201919-12-11
19451945-02-011945-12-26
19461946-02-031946-12-07
19471947-01-271947-11-02
19481948-02-051948-12-27
19491949-01-201949-12-08
19501950-01-091950-12-14
19511951-01-101951-12-31
19521952-01-071952-12-31
19531953-01-081953-12-04
19541954-01-241954-12-10
19551955-01-011955-12-27
19561956-01-161956-12-06
19571957-01-131957-12-17
19581958-01-241958-09-23
19591959-01-061959-09-19
19601960-01-121960-12-02
19611961-01-261961-12-03
19621962-01-201962-10-14
19631963-01-301963-11-21

Every Fixed Threshold

Fixed thresholds at Piedra
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2326195817
25 mm (0.98 in): Days with 25 mm or more rain22819638
50 mm (1.97 in): Days with 50 mm or more rain7219501

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

  • Data for Piedra 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).