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

Red Rock Threshold Days by Year (USC00347505)

7 fixed thresholds counted per year at Red Rock (USC00347505): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Red Rock Thresholds

  • Red Rock: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1973 with 41.
  • Red Rock: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 2007 with 22.
  • Red Rock: days with 50 mm (1.97 in) or more of precipitation in 47 years, most in 1999 with 9.
  • Red Rock: days with 10 cm (3.9 in) or more of snowfall in 20 years, most in 1988 with 5.
  • 7 fixed thresholds have at least one qualifying day at Red Rock.
52 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Red Rock Days per year at Red Rock with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1973. 02040601952: 201953: 211954: 151955: 211956: 141957: 391958: 311959: 351960: 301961: 291962: 231963: 251964: 281965: 231966: 231967: 311968: 331969: 291970: 201971: 291972: 271973: 411974: 301977: 261979: 281980: 211981: 281982: 251983: 251984: 261985: 311986: 281987: 371988: 221989: 261990: 301991: 241992: 341993: 291994: 241995: 291996: 211997: 321998: 331999: 402000: 312001: 192003: 212004: 312005: 242006: 202007: 35195219581964197019791985199119972004
Days per year at Red Rock with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1973.
Days with 10 mm (0.39 in) or more of precipitation per year at Red Rock
YearDaysDecade average
19522024.5
19532124.5
19541524.5
19552124.5
19561424.5
19573924.5
19583124.5
19593524.5
19603027.4
19612927.4
19622327.4
19632527.4
19642827.4
19652327.4
19662327.4
19673127.4
19683327.4
19692927.4
19702028.7
19712928.7
19722728.7
19734128.7
19743028.7
19772628.7
19792828.7
19802126.9
19812826.9
19822526.9
19832526.9
19842626.9
19853126.9
19862826.9
19873726.9
19882226.9
19892626.9
19903029.6
19912429.6
19923429.6
19932929.6
19942429.6
19952929.6
19962129.6
19973229.6
19983329.6
19994029.6
20003125.9
20011925.9
20032125.9
20043125.9
20052425.9
20062025.9
20073525.9
First to last qualifying date each year at Red Rock For each year, a bar from the first to the last day at Red Rock meeting 10 mm (0.39 in). 1952: 2 January 1952 to 19 December 19521953: 20 February 1953 to 3 December 19531954: 20 February 1954 to 27 December 19541955: 18 January 1955 to 5 October 19551956: 8 February 1956 to 23 December 19561957: 4 January 1957 to 25 December 19571958: 27 February 1958 to 31 December 19581959: 6 February 1959 to 18 December 19591960: 14 January 1960 to 11 December 19601961: 21 February 1961 to 8 December 19611962: 19 January 1962 to 3 December 19621963: 5 January 1963 to 22 December 19631964: 31 January 1964 to 10 December 19641965: 22 January 1965 to 25 December 19651966: 9 February 1966 to 28 December 19661967: 26 January 1967 to 17 December 19671968: 18 January 1968 to 27 December 19681969: 14 February 1969 to 6 December 19691970: 16 March 1970 to 16 December 19701971: 3 January 1971 to 30 December 19711972: 12 February 1972 to 30 December 19721973: 3 January 1973 to 23 December 19731974: 19 February 1974 to 31 December 19741977: 12 February 1977 to 8 November 19771979: 19 January 1979 to 21 November 19791980: 20 January 1980 to 8 December 19801981: 10 February 1981 to 30 November 19811982: 30 January 1982 to 27 December 19821983: 1 February 1983 to 23 November 19831984: 26 February 1984 to 16 December 19841985: 1 January 1985 to 15 November 19851986: 1 April 1986 to 7 December 19861987: 9 January 1987 to 25 December 19871988: 2 March 1988 to 20 November 19881989: 25 January 1989 to 30 October 19891990: 19 January 1990 to 17 December 19901991: 17 March 1991 to 20 December 19911992: 4 March 1992 to 14 December 19921993: 2 January 1993 to 17 November 19931994: 22 February 1994 to 6 December 19941995: 13 March 1995 to 19 December 19951996: 22 April 1996 to 1 December 19961997: 20 February 1997 to 24 December 19971998: 4 January 1998 to 18 December 19981999: 22 January 1999 to 9 December 19992000: 25 February 2000 to 31 December 20002001: 28 January 2001 to 4 November 20012003: 23 February 2003 to 17 November 20032004: 16 January 2004 to 7 December 20042005: 5 January 2005 to 6 October 20052006: 10 January 2006 to 20 December 20062007: 24 February 2007 to 16 December 200719521959196619731983199019972005JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Red Rock meeting 10 mm (0.39 in).
First to last qualifying date each year at Red Rock
YearFirst dateLast date
19521952-01-021952-12-19
19531953-02-201953-12-03
19541954-02-201954-12-27
19551955-01-181955-10-05
19561956-02-081956-12-23
19571957-01-041957-12-25
19581958-02-271958-12-31
19591959-02-061959-12-18
19601960-01-141960-12-11
19611961-02-211961-12-08
19621962-01-191962-12-03
19631963-01-051963-12-22
19641964-01-311964-12-10
19651965-01-221965-12-25
19661966-02-091966-12-28
19671967-01-261967-12-17
19681968-01-181968-12-27
19691969-02-141969-12-06
19701970-03-161970-12-16
19711971-01-031971-12-30
19721972-02-121972-12-30
19731973-01-031973-12-23
19741974-02-191974-12-31
19771977-02-121977-11-08
19791979-01-191979-11-21
19801980-01-201980-12-08
19811981-02-101981-11-30
19821982-01-301982-12-27
19831983-02-011983-11-23
19841984-02-261984-12-16
19851985-01-011985-11-15
19861986-04-011986-12-07
19871987-01-091987-12-25
19881988-03-021988-11-20
19891989-01-251989-10-30
19901990-01-191990-12-17
19911991-03-171991-12-20
19921992-03-041992-12-14
19931993-01-021993-11-17
19941994-02-221994-12-06
19951995-03-131995-12-19
19961996-04-221996-12-01
19971997-02-201997-12-24
19981998-01-041998-12-18
19991999-01-221999-12-09
20002000-02-252000-12-31
20012001-01-282001-11-04
20032003-02-232003-11-17
20042004-01-162004-12-07
20052005-01-052005-10-06
20062006-01-102006-12-20
20072007-02-242007-12-16

Every Fixed Threshold

Fixed thresholds at Red Rock
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5241197335
25 mm (0.98 in): Days with 25 mm or more rain5222200722
50 mm (1.97 in): Days with 50 mm or more rain47919998
100 mm (3.94 in): Days with 100 mm or more rain11319861
200 mm (7.87 in): Days with 200 mm or more rain1119981
10 cm (3.9 in): Days with 10 cm or more snowfall20519881
25 cm (9.8 in): Days with 25 cm or more snowfall4119871

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for Red Rock 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).