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Built 2026-10-19 (19 October 2026)

Parker Rsvr Threshold Days by Year (USC00046699)

15 fixed thresholds counted per year at Parker Rsvr (USC00046699): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Parker Rsvr Thresholds

  • Parker Rsvr: days with a maximum temperature at or above 30 C (86 F) in 79 years, most in 1934 with 223.
  • Parker Rsvr: days with a maximum temperature at or above 35 C (95 F) in 79 years, most in 2020 with 173.
  • Parker Rsvr: days with a maximum temperature at or above 40 C (104 F) in 79 years, most in 2024 with 123.
  • Parker Rsvr: days with a maximum temperature at or above 90 F (32.2 C) in 79 years, most in 1934 with 198.
  • 15 fixed thresholds have at least one qualifying day at Parker Rsvr.
79 years with a qualifying day
Days at or above 30 C (86 F) per year at Parker Rsvr Days per year at Parker Rsvr with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 223 in 1934. 01002003001934: 2231935: 1761936: 1971937: 2091938: 1861939: 2061940: 2001941: 1641942: 1881949: 1891950: 2101951: 1781952: 1981953: 1811954: 2001955: 1851956: 1901957: 1651958: 1861959: 1871960: 1821961: 1821962: 1981963: 1841964: 1861965: 1871966: 2051967: 1891968: 1911969: 1811970: 1781971: 1701972: 2061973: 1881974: 1931975: 1691976: 1791977: 1871978: 1761979: 1851980: 1841981: 1971982: 1761983: 1691984: 1721985: 1811986: 1891987: 1911988: 2011989: 2131990: 1941991: 1731992: 1941993: 1901994: 1851995: 1881996: 1941997: 2041998: 1562000: 1632001: 2142003: 1912004: 2052005: 1822006: 1832009: 1932010: 1842011: 1892012: 2062013: 1802014: 2032015: 1882020: 1952021: 2052022: 2032023: 1912024: 1962025: 2112026: 1281934194219561964197219801988199620062020
Days per year at Parker Rsvr with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 223 in 1934.
Days at or above 30 C (86 F) per year at Parker Rsvr
YearDaysDecade average
1934223199.5
1935176199.5
1936197199.5
1937209199.5
1938186199.5
1939206199.5
1940200185.3
1941164185.3
1942188185.3
1949189185.3
1950210188
1951178188
1952198188
1953181188
1954200188
1955185188
1956190188
1957165188
1958186188
1959187188
1960182188.5
1961182188.5
1962198188.5
1963184188.5
1964186188.5
1965187188.5
1966205188.5
1967189188.5
1968191188.5
1969181188.5
1970178183.1
1971170183.1
1972206183.1
1973188183.1
1974193183.1
1975169183.1
1976179183.1
1977187183.1
1978176183.1
1979185183.1
1980184187.3
1981197187.3
1982176187.3
1983169187.3
1984172187.3
1985181187.3
1986189187.3
1987191187.3
1988201187.3
1989213187.3
1990194186.4
1991173186.4
1992194186.4
1993190186.4
1994185186.4
1995188186.4
1996194186.4
1997204186.4
1998156186.4
2000163190.1
2001214190.1
2003191190.1
2004205190.1
2005182190.1
2006183190.1
2009193190.1
2010184191.7
2011189191.7
2012206191.7
2013180191.7
2014203191.7
2015188191.7
2020195189.9
2021205189.9
2022203189.9
2023191189.9
2024196189.9
2025211189.9
2026128189.9
First to last qualifying date each year at Parker Rsvr For each year, a bar from the first to the last day at Parker Rsvr meeting 30 C (86 F). 1934: 3 March 1934 to 15 November 19341935: 29 March 1935 to 28 October 19351936: 8 March 1936 to 18 October 19361937: 8 March 1937 to 6 November 19371938: 3 April 1938 to 30 October 19381939: 16 March 1939 to 5 November 19391940: 20 March 1940 to 2 November 19401941: 24 April 1941 to 6 November 19411942: 30 March 1942 to 15 November 19421949: 7 April 1949 to 8 November 19491950: 6 March 1950 to 9 November 19501951: 11 February 1951 to 21 October 19511952: 2 April 1952 to 7 November 19521953: 24 March 1953 to 14 November 19531954: 26 February 1954 to 9 November 19541955: 9 March 1955 to 6 November 19551956: 19 March 1956 to 10 November 19561957: 14 February 1957 to 20 October 19571958: 15 April 1958 to 10 November 19581959: 2 April 1959 to 29 October 19591960: 7 March 1960 to 2 November 19601961: 12 March 1961 to 27 October 19611962: 27 March 1962 to 11 November 19621963: 8 February 1963 to 30 October 19631964: 29 March 1964 to 8 November 19641965: 1 April 1965 to 8 November 19651966: 13 March 1966 to 4 November 19661967: 25 February 1967 to 16 November 19671968: 25 February 1968 to 30 October 19681969: 28 March 1969 to 5 November 19691970: 15 March 1970 to 3 November 19701971: 21 January 1971 to 23 October 19711972: 20 February 1972 to 18 October 19721973: 11 April 1973 to 13 November 19731974: 16 March 1974 to 27 October 19741975: 2 March 1975 to 7 November 19751976: 23 March 1976 to 8 November 19761977: 20 February 1977 to 5 November 19771978: 26 March 1978 to 29 October 19781979: 8 March 1979 to 29 October 19791980: 9 April 1980 to 11 November 19801981: 18 February 1981 to 16 November 19811982: 22 February 1982 to 25 October 19821983: 31 March 1983 to 6 November 19831984: 21 March 1984 to 30 October 19841985: 24 March 1985 to 3 November 19851986: 24 February 1986 to 30 October 19861987: 4 March 1987 to 28 October 19871988: 20 March 1988 to 7 November 19881989: 23 February 1989 to 11 November 19891990: 18 March 1990 to 14 November 19901991: 4 April 1991 to 8 November 19911992: 7 April 1992 to 23 October 19921993: 21 March 1993 to 25 October 19931994: 3 March 1994 to 29 October 19941995: 16 March 1995 to 19 November 19951996: 8 February 1996 to 12 November 19961997: 8 March 1997 to 7 November 19971998: 22 March 1998 to 30 September 19982000: 14 March 2000 to 21 October 20002001: 20 March 2001 to 15 November 20012003: 31 January 2003 to 10 November 20032004: 8 March 2004 to 6 November 20042005: 12 March 2005 to 8 November 20052006: 25 March 2006 to 21 November 20062009: 3 March 2009 to 7 November 20092010: 31 March 2010 to 7 November 20102011: 13 March 2011 to 2 November 20112012: 23 March 2012 to 8 November 20122013: 13 March 2013 to 28 October 20132014: 15 February 2014 to 11 November 20142015: 12 March 2015 to 3 November 20152020: 11 March 2020 to 19 November 20202021: 7 March 2021 to 16 November 20212022: 2 March 2022 to 1 November 20222023: 9 April 2023 to 7 November 20232024: 22 March 2024 to 29 October 20242025: 4 February 2025 to 14 November 20252026: 26 February 2026 to 31 July 202619341950196019701980199020012014JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Parker Rsvr meeting 30 C (86 F).
First to last qualifying date each year at Parker Rsvr
YearFirst dateLast date
19341934-03-031934-11-15
19351935-03-291935-10-28
19361936-03-081936-10-18
19371937-03-081937-11-06
19381938-04-031938-10-30
19391939-03-161939-11-05
19401940-03-201940-11-02
19411941-04-241941-11-06
19421942-03-301942-11-15
19491949-04-071949-11-08
19501950-03-061950-11-09
19511951-02-111951-10-21
19521952-04-021952-11-07
19531953-03-241953-11-14
19541954-02-261954-11-09
19551955-03-091955-11-06
19561956-03-191956-11-10
19571957-02-141957-10-20
19581958-04-151958-11-10
19591959-04-021959-10-29
19601960-03-071960-11-02
19611961-03-121961-10-27
19621962-03-271962-11-11
19631963-02-081963-10-30
19641964-03-291964-11-08
19651965-04-011965-11-08
19661966-03-131966-11-04
19671967-02-251967-11-16
19681968-02-251968-10-30
19691969-03-281969-11-05
19701970-03-151970-11-03
19711971-01-211971-10-23
19721972-02-201972-10-18
19731973-04-111973-11-13
19741974-03-161974-10-27
19751975-03-021975-11-07
19761976-03-231976-11-08
19771977-02-201977-11-05
19781978-03-261978-10-29
19791979-03-081979-10-29
19801980-04-091980-11-11
19811981-02-181981-11-16
19821982-02-221982-10-25
19831983-03-311983-11-06
19841984-03-211984-10-30
19851985-03-241985-11-03
19861986-02-241986-10-30
19871987-03-041987-10-28
19881988-03-201988-11-07
19891989-02-231989-11-11
19901990-03-181990-11-14
19911991-04-041991-11-08
19921992-04-071992-10-23
19931993-03-211993-10-25
19941994-03-031994-10-29
19951995-03-161995-11-19
19961996-02-081996-11-12
19971997-03-081997-11-07
19981998-03-221998-09-30
20002000-03-142000-10-21
20012001-03-202001-11-15
20032003-01-312003-11-10
20042004-03-082004-11-06
20052005-03-122005-11-08
20062006-03-252006-11-21
20092009-03-032009-11-07
20102010-03-312010-11-07
20112011-03-132011-11-02
20122012-03-232012-11-08
20132013-03-132013-10-28
20142014-02-152014-11-11
20152015-03-122015-11-03
20202020-03-112020-11-19
20212021-03-072021-11-16
20222022-03-022022-11-01
20232023-04-092023-11-07
20242024-03-222024-10-29
20252025-02-042025-11-14
20262026-02-262026-07-31

Every Fixed Threshold

Fixed thresholds at Parker Rsvr
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days792231934128
35 C (95 F): Days79173202094
40 C (104 F): Days79123202452
45 C (113 F): Days783620249
50 C (122 F): Days4220242
90 F (32.2 C): Days791981934115
100 F (37.8 C): Days79144202472
110 F (43.3 C): Days7984202425
120 F (48.9 C): Days22319502
0 C (32 F): Frost days (min322320133
20 C (68 F): Tropical nights (min63168202599
25 C (77 F): Days with min63111202559
10 mm (0.39 in): Days with 10 mm or more rain7415199211
25 mm (0.98 in): Days with 25 mm or more rain37419801
50 mm (1.97 in): Days with 50 mm or more rain5119391

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1934.

Download the Data

  • Data for Parker Rsvr 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 (2026-10-12).