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Built 2026-10-18 (18 October 2026)

Los Prietos Rs Threshold Days by Year

5 fixed thresholds counted per year at Los Prietos Rs (USC00045147): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Los Prietos Rs Thresholds

  • Los Prietos Rs: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1998 with 30.
  • Los Prietos Rs: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1995 with 15.
  • Los Prietos Rs: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 1995 with 9.
  • Los Prietos Rs: days with 100 mm (3.94 in) or more of precipitation in 15 years, most in 1969 with 3.
  • 5 fixed thresholds have at least one qualifying day at Los Prietos Rs.
46 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Los Prietos Rs Days per year at Los Prietos Rs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1998. 01020301946: 161947: 31949: 91950: 71951: 151952: 131953: 51954: 11955: 91956: 51957: 81958: 81959: 31960: 81961: 31962: 81963: 121967: 171969: 201970: 101971: 111974: 141975: 91976: 131977: 91978: 221979: 101981: 131982: 201983: 241984: 71986: 91987: 111988: 121989: 51990: 31991: 91992: 141993: 181994: 141995: 191996: 211997: 121998: 301999: 92001: 171946195219571962197119781984199019952001
Days per year at Los Prietos Rs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1998.
Days with 10 mm (0.39 in) or more of precipitation per year at Los Prietos Rs
YearDaysDecade average
1946169.3
194739.3
194999.3
195077.4
1951157.4
1952137.4
195357.4
195417.4
195597.4
195657.4
195787.4
195887.4
195937.4
1960811.3
1961311.3
1962811.3
19631211.3
19671711.3
19692011.3
19701012.3
19711112.3
19741412.3
1975912.3
19761312.3
1977912.3
19782212.3
19791012.3
19811312.6
19822012.6
19832412.6
1984712.6
1986912.6
19871112.6
19881212.6
1989512.6
1990314.9
1991914.9
19921414.9
19931814.9
19941414.9
19951914.9
19962114.9
19971214.9
19983014.9
1999914.9
20011717
First to last qualifying date each year at Los Prietos Rs For each year, a bar from the first to the last day at Los Prietos Rs meeting 10 mm (0.39 in). 1946: 3 February 1946 to 27 December 19461947: 9 February 1947 to 4 December 19471949: 2 March 1949 to 17 December 19491950: 11 January 1950 to 20 November 19501951: 10 January 1951 to 30 December 19511952: 7 January 1952 to 20 December 19521953: 13 January 1953 to 14 November 19531954: 14 February 1954 to 14 February 19541955: 10 January 1955 to 31 December 19551956: 25 January 1956 to 9 May 19561957: 20 January 1957 to 5 December 19571958: 19 February 1958 to 7 September 19581959: 6 January 1959 to 24 December 19591960: 10 January 1960 to 26 November 19601961: 15 March 1961 to 26 November 19611962: 7 February 1962 to 6 March 19621963: 30 January 1963 to 6 November 19631967: 22 January 1967 to 18 December 19671969: 14 January 1969 to 6 November 19691970: 9 January 1970 to 30 November 19701971: 13 March 1971 to 28 December 19711974: 4 January 1974 to 4 December 19741975: 1 February 1975 to 28 November 19751976: 6 February 1976 to 30 December 19761977: 3 January 1977 to 28 December 19771978: 10 January 1978 to 19 December 19781979: 5 January 1979 to 21 March 19791981: 23 January 1981 to 28 November 19811982: 5 January 1982 to 23 December 19821983: 19 January 1983 to 3 December 19831984: 8 November 1984 to 20 December 19841986: 30 January 1986 to 18 November 19861987: 5 January 1987 to 29 December 19871988: 5 January 1988 to 25 December 19881989: 4 February 1989 to 26 November 19891990: 13 January 1990 to 17 February 19901991: 4 January 1991 to 28 December 19911992: 3 January 1992 to 30 December 19921993: 7 January 1993 to 11 December 19931994: 24 January 1994 to 27 December 19941995: 3 January 1995 to 13 December 19951996: 8 January 1996 to 27 December 19961997: 2 January 1997 to 30 November 19971998: 2 January 1998 to 1 December 19981999: 25 January 1999 to 8 November 19992001: 8 January 2001 to 29 December 200119461953195919691977198419911997JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Los Prietos Rs meeting 10 mm (0.39 in).
First to last qualifying date each year at Los Prietos Rs
YearFirst dateLast date
19461946-02-031946-12-27
19471947-02-091947-12-04
19491949-03-021949-12-17
19501950-01-111950-11-20
19511951-01-101951-12-30
19521952-01-071952-12-20
19531953-01-131953-11-14
19541954-02-141954-02-14
19551955-01-101955-12-31
19561956-01-251956-05-09
19571957-01-201957-12-05
19581958-02-191958-09-07
19591959-01-061959-12-24
19601960-01-101960-11-26
19611961-03-151961-11-26
19621962-02-071962-03-06
19631963-01-301963-11-06
19671967-01-221967-12-18
19691969-01-141969-11-06
19701970-01-091970-11-30
19711971-03-131971-12-28
19741974-01-041974-12-04
19751975-02-011975-11-28
19761976-02-061976-12-30
19771977-01-031977-12-28
19781978-01-101978-12-19
19791979-01-051979-03-21
19811981-01-231981-11-28
19821982-01-051982-12-23
19831983-01-191983-12-03
19841984-11-081984-12-20
19861986-01-301986-11-18
19871987-01-051987-12-29
19881988-01-051988-12-25
19891989-02-041989-11-26
19901990-01-131990-02-17
19911991-01-041991-12-28
19921992-01-031992-12-30
19931993-01-071993-12-11
19941994-01-241994-12-27
19951995-01-031995-12-13
19961996-01-081996-12-27
19971997-01-021997-11-30
19981998-01-021998-12-01
19991999-01-251999-11-08
20012001-01-082001-12-29

Every Fixed Threshold

Fixed thresholds at Los Prietos Rs
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4630199817
25 mm (0.98 in): Days with 25 mm or more rain441519958
50 mm (1.97 in): Days with 50 mm or more rain39919953
100 mm (3.94 in): Days with 100 mm or more rain15319691
200 mm (7.87 in): Days with 200 mm or more rain1119691

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1946.

Download the Data

  • Data for Los Prietos Rs 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).