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Built 2026-10-19 (19 October 2026)

Hesperia 4 WNW Threshold Days by Year (USC00203769)

17 fixed thresholds counted per year at Hesperia 4 WNW (USC00203769): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hesperia 4 WNW Thresholds

  • Hesperia 4 WNW: days with 10 mm (0.39 in) or more of precipitation in 62 years, most in 1974 with 43.
  • Hesperia 4 WNW: days with 25 mm (0.98 in) or more of precipitation in 62 years, most in 1960 with 12.
  • Hesperia 4 WNW: days with 10 cm (3.9 in) or more of snowfall in 56 years, most in 2008 with 13.
  • Hesperia 4 WNW: days with a maximum temperature at or above 30 C (86 F) in 55 years, most in 1895 with 63.
  • 17 fixed thresholds have at least one qualifying day at Hesperia 4 WNW.
55 years with a qualifying day
Days at or above 30 C (86 F) per year at Hesperia 4 WNW Days per year at Hesperia 4 WNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 63 in 1895. 0204060801895: 631896: 491951: 91952: 261954: 291955: 501956: 181957: 221958: 131959: 391960: 171961: 201962: 191963: 281964: 361965: 141966: 261967: 91968: 231969: 201970: 271971: 211972: 121973: 191974: 131975: 211976: 241977: 241978: 231979: 121980: 131981: 111982: 81983: 331984: 161985: 91986: 101989: 181997: 131998: 231999: 252000: 72001: 292002: 392003: 222004: 52005: 432006: 192007: 422008: 132009: 82010: 282011: 272012: 462013: 141895195619621968197419801986200120072013
Days per year at Hesperia 4 WNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 63 in 1895.
Days at or above 30 C (86 F) per year at Hesperia 4 WNW
YearDaysDecade average
18956356
18964956
1951925.8
19522625.8
19542925.8
19555025.8
19561825.8
19572225.8
19581325.8
19593925.8
19601721.2
19612021.2
19621921.2
19632821.2
19643621.2
19651421.2
19662621.2
1967921.2
19682321.2
19692021.2
19702719.6
19712119.6
19721219.6
19731919.6
19741319.6
19752119.6
19762419.6
19772419.6
19782319.6
19791219.6
19801314.8
19811114.8
1982814.8
19833314.8
19841614.8
1985914.8
19861014.8
19891814.8
19971320.3
19982320.3
19992520.3
2000722.7
20012922.7
20023922.7
20032222.7
2004522.7
20054322.7
20061922.7
20074222.7
20081322.7
2009822.7
20102828.8
20112728.8
20124628.8
20131428.8
First to last qualifying date each year at Hesperia 4 WNW For each year, a bar from the first to the last day at Hesperia 4 WNW meeting 30 C (86 F). 1895: 4 May 1895 to 22 September 18951896: 9 May 1896 to 23 August 18961951: 18 June 1951 to 12 September 19511952: 6 June 1952 to 13 September 19521954: 12 June 1954 to 6 September 19541955: 18 June 1955 to 18 September 19551956: 9 June 1956 to 5 August 19561957: 16 June 1957 to 1 September 19571958: 13 July 1958 to 30 August 19581959: 2 May 1959 to 9 September 19591960: 9 July 1960 to 9 September 19601961: 12 June 1961 to 10 September 19611962: 15 May 1962 to 30 August 19621963: 2 June 1963 to 22 August 19631964: 23 May 1964 to 7 September 19641965: 27 June 1965 to 15 August 19651966: 21 June 1966 to 2 September 19661967: 3 June 1967 to 22 July 19671968: 5 June 1968 to 24 August 19681969: 28 May 1969 to 31 August 19691970: 29 April 1970 to 26 August 19701971: 18 June 1971 to 2 October 19711972: 19 May 1972 to 30 August 19721973: 9 July 1973 to 4 September 19731974: 27 June 1974 to 21 July 19741975: 19 May 1975 to 13 August 19751976: 9 June 1976 to 9 September 19761977: 17 May 1977 to 21 July 19771978: 26 May 1978 to 12 September 19781979: 9 May 1979 to 9 August 19791980: 24 May 1980 to 30 August 19801981: 6 July 1981 to 14 August 19811982: 15 May 1982 to 8 August 19821983: 13 June 1983 to 10 September 19831984: 8 June 1984 to 30 August 19841985: 9 June 1985 to 8 September 19851986: 6 July 1986 to 17 August 19861989: 24 June 1989 to 9 September 19891997: 23 June 1997 to 10 August 19971998: 15 May 1998 to 14 September 19981999: 30 May 1999 to 6 September 19992000: 11 June 2000 to 3 September 20002001: 14 June 2001 to 10 August 20012002: 19 April 2002 to 10 September 20022003: 19 June 2003 to 12 September 20032004: 10 June 2004 to 25 August 20042005: 6 June 2005 to 14 September 20052006: 28 May 2006 to 18 August 20062007: 24 May 2007 to 9 October 20072008: 27 June 2008 to 3 September 20082009: 22 June 2009 to 17 August 20092010: 24 May 2010 to 1 September 20102011: 31 May 2011 to 2 September 20112012: 23 March 2012 to 5 September 20122013: 24 June 2013 to 11 September 201318951957196419711978198520012008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hesperia 4 WNW meeting 30 C (86 F).
First to last qualifying date each year at Hesperia 4 WNW
YearFirst dateLast date
18951895-05-041895-09-22
18961896-05-091896-08-23
19511951-06-181951-09-12
19521952-06-061952-09-13
19541954-06-121954-09-06
19551955-06-181955-09-18
19561956-06-091956-08-05
19571957-06-161957-09-01
19581958-07-131958-08-30
19591959-05-021959-09-09
19601960-07-091960-09-09
19611961-06-121961-09-10
19621962-05-151962-08-30
19631963-06-021963-08-22
19641964-05-231964-09-07
19651965-06-271965-08-15
19661966-06-211966-09-02
19671967-06-031967-07-22
19681968-06-051968-08-24
19691969-05-281969-08-31
19701970-04-291970-08-26
19711971-06-181971-10-02
19721972-05-191972-08-30
19731973-07-091973-09-04
19741974-06-271974-07-21
19751975-05-191975-08-13
19761976-06-091976-09-09
19771977-05-171977-07-21
19781978-05-261978-09-12
19791979-05-091979-08-09
19801980-05-241980-08-30
19811981-07-061981-08-14
19821982-05-151982-08-08
19831983-06-131983-09-10
19841984-06-081984-08-30
19851985-06-091985-09-08
19861986-07-061986-08-17
19891989-06-241989-09-09
19971997-06-231997-08-10
19981998-05-151998-09-14
19991999-05-301999-09-06
20002000-06-112000-09-03
20012001-06-142001-08-10
20022002-04-192002-09-10
20032003-06-192003-09-12
20042004-06-102004-08-25
20052005-06-062005-09-14
20062006-05-282006-08-18
20072007-05-242007-10-09
20082008-06-272008-09-03
20092009-06-222009-08-17
20102010-05-242010-09-01
20112011-05-312011-09-02
20122012-03-232012-09-05
20132013-06-242013-09-11

Every Fixed Threshold

Fixed thresholds at Hesperia 4 WNW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5563189514
35 C (95 F): Days151118955
90 F (32.2 C): Days513718956
100 F (37.8 C): Days2319551
0 C (32 F): Ice days (max5584197859
0 C (32 F): Frost days (min531911976166
-10 C (14 F): Days with min5378189561
-20 C (-4 F): Days with min492319634
-30 C (-22 F): Days with min6118951
20 C (68 F): Tropical nights (min441318955
25 C (77 F): Days with min3118951
10 mm (0.39 in): Days with 10 mm or more rain6243197433
25 mm (0.98 in): Days with 25 mm or more rain621219609
50 mm (1.97 in): Days with 50 mm or more rain40320012
100 mm (3.94 in): Days with 100 mm or more rain5119391
10 cm (3.9 in): Days with 10 cm or more snowfall561320086
25 cm (9.8 in): Days with 25 cm or more snowfall9220081

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

Download the Data

  • Data for Hesperia 4 WNW 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).