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Built 2026-10-19 (19 October 2026)

Two Rivers Threshold Days by Year (USC00478672)

15 fixed thresholds counted per year at Two Rivers (USC00478672): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Two Rivers Thresholds

  • Two Rivers: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 2019 with 40.
  • Two Rivers: days with 25 mm (0.98 in) or more of precipitation in 74 years, most in 1959 with 11.
  • Two Rivers: days with a maximum temperature at or below 0 C (32 F) in 73 years, most in 2014 with 90.
  • Two Rivers: nights with a minimum temperature at or below 0 C (32 F) in 73 years, most in 2018 with 167.
  • 15 fixed thresholds have at least one qualifying day at Two Rivers.
70 years with a qualifying day
Days at or above 30 C (86 F) per year at Two Rivers Days per year at Two Rivers with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 19 in 1976. 051015201952: 111953: 111954: 91955: 141956: 61957: 111958: 51959: 61961: 41963: 61964: 121965: 71966: 81967: 71968: 41969: 21970: 81971: 41972: 71973: 51974: 51975: 81976: 191977: 61979: 41980: 51981: 41982: 21983: 141984: 81985: 31986: 41987: 61988: 171989: 51990: 71991: 21992: 11993: 21994: 21995: 81996: 51997: 31998: 71999: 62000: 22001: 102002: 102003: 52005: 82006: 62007: 62008: 52009: 32010: 32011: 82012: 72013: 42014: 22015: 62016: 22017: 22018: 52019: 12021: 102022: 62023: 42024: 12025: 42026: 61952195919681975198319901997200520122019
Days per year at Two Rivers with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 19 in 1976.
Days at or above 30 C (86 F) per year at Two Rivers
YearDaysDecade average
1952119.1
1953119.1
195499.1
1955149.1
195669.1
1957119.1
195859.1
195969.1
196146.3
196366.3
1964126.3
196576.3
196686.3
196776.3
196846.3
196926.3
197087.3
197147.3
197277.3
197357.3
197457.3
197587.3
1976197.3
197767.3
197947.3
198056.8
198146.8
198226.8
1983146.8
198486.8
198536.8
198646.8
198766.8
1988176.8
198956.8
199074.3
199124.3
199214.3
199324.3
199424.3
199584.3
199654.3
199734.3
199874.3
199964.3
200026.1
2001106.1
2002106.1
200356.1
200586.1
200666.1
200766.1
200856.1
200936.1
201034
201184
201274
201344
201424
201564
201624
201724
201854
201914
2021105.2
202265.2
202345.2
202415.2
202545.2
202665.2
First to last qualifying date each year at Two Rivers For each year, a bar from the first to the last day at Two Rivers meeting 30 C (86 F). 1952: 4 May 1952 to 22 July 19521953: 26 June 1953 to 2 September 19531954: 12 June 1954 to 2 September 19541955: 4 July 1955 to 22 August 19551956: 22 May 1956 to 7 August 19561957: 20 June 1957 to 26 August 19571958: 5 August 1958 to 15 August 19581959: 31 July 1959 to 24 August 19591961: 10 August 1961 to 9 September 19611963: 1 July 1963 to 6 October 19631964: 13 June 1964 to 4 August 19641965: 28 June 1965 to 15 August 19651966: 20 June 1966 to 1 September 19661967: 30 June 1967 to 2 August 19671968: 20 August 1968 to 23 August 19681969: 28 May 1969 to 30 August 19691970: 7 June 1970 to 3 August 19701971: 16 July 1971 to 1 October 19711972: 12 July 1972 to 29 August 19721973: 2 July 1973 to 5 August 19731974: 9 July 1974 to 27 August 19741975: 2 July 1975 to 14 August 19751976: 8 June 1976 to 8 September 19761977: 13 May 1977 to 20 July 19771979: 10 July 1979 to 8 August 19791980: 26 June 1980 to 2 August 19801981: 5 June 1981 to 12 September 19811982: 25 July 1982 to 19 August 19821983: 26 June 1983 to 10 September 19831984: 18 June 1984 to 16 August 19841985: 19 July 1985 to 21 July 19851986: 30 May 1986 to 19 July 19861987: 7 June 1987 to 20 July 19871988: 1 June 1988 to 17 August 19881989: 2 August 1989 to 22 August 19891990: 30 June 1990 to 1 September 19901991: 17 July 1991 to 22 July 19911992: 10 August 1992 to 10 August 19921993: 24 August 1993 to 27 August 19931994: 24 August 1994 to 13 September 19941995: 19 June 1995 to 23 August 19951996: 18 May 1996 to 7 August 19961997: 14 July 1997 to 2 August 19971998: 19 May 1998 to 23 August 19981999: 4 July 1999 to 27 August 19992000: 10 June 2000 to 13 July 20002001: 30 June 2001 to 9 August 20012002: 1 June 2002 to 1 August 20022003: 15 August 2003 to 26 August 20032005: 24 June 2005 to 9 August 20052006: 1 July 2006 to 2 August 20062007: 28 June 2007 to 4 August 20072008: 31 July 2008 to 24 August 20082009: 21 June 2009 to 26 June 20092010: 17 July 2010 to 9 August 20102011: 3 July 2011 to 13 September 20112012: 10 June 2012 to 24 July 20122013: 18 July 2013 to 11 September 20132014: 8 July 2014 to 23 July 20142015: 18 July 2015 to 15 August 20152016: 12 June 2016 to 27 June 20162017: 13 June 2017 to 21 July 20172018: 26 May 2018 to 15 August 20182019: 1 June 2019 to 1 June 20192021: 5 June 2021 to 12 August 20212022: 17 June 2022 to 23 July 20222023: 1 July 2023 to 24 August 20232024: 26 June 2024 to 26 June 20242025: 24 June 2025 to 30 July 20252026: 1 July 2026 to 17 August 202619521963197219821991200020102019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Two Rivers meeting 30 C (86 F).
First to last qualifying date each year at Two Rivers
YearFirst dateLast date
19521952-05-041952-07-22
19531953-06-261953-09-02
19541954-06-121954-09-02
19551955-07-041955-08-22
19561956-05-221956-08-07
19571957-06-201957-08-26
19581958-08-051958-08-15
19591959-07-311959-08-24
19611961-08-101961-09-09
19631963-07-011963-10-06
19641964-06-131964-08-04
19651965-06-281965-08-15
19661966-06-201966-09-01
19671967-06-301967-08-02
19681968-08-201968-08-23
19691969-05-281969-08-30
19701970-06-071970-08-03
19711971-07-161971-10-01
19721972-07-121972-08-29
19731973-07-021973-08-05
19741974-07-091974-08-27
19751975-07-021975-08-14
19761976-06-081976-09-08
19771977-05-131977-07-20
19791979-07-101979-08-08
19801980-06-261980-08-02
19811981-06-051981-09-12
19821982-07-251982-08-19
19831983-06-261983-09-10
19841984-06-181984-08-16
19851985-07-191985-07-21
19861986-05-301986-07-19
19871987-06-071987-07-20
19881988-06-011988-08-17
19891989-08-021989-08-22
19901990-06-301990-09-01
19911991-07-171991-07-22
19921992-08-101992-08-10
19931993-08-241993-08-27
19941994-08-241994-09-13
19951995-06-191995-08-23
19961996-05-181996-08-07
19971997-07-141997-08-02
19981998-05-191998-08-23
19991999-07-041999-08-27
20002000-06-102000-07-13
20012001-06-302001-08-09
20022002-06-012002-08-01
20032003-08-152003-08-26
20052005-06-242005-08-09
20062006-07-012006-08-02
20072007-06-282007-08-04
20082008-07-312008-08-24
20092009-06-212009-06-26
20102010-07-172010-08-09
20112011-07-032011-09-13
20122012-06-102012-07-24
20132013-07-182013-09-11
20142014-07-082014-07-23
20152015-07-182015-08-15
20162016-06-122016-06-27
20172017-06-132017-07-21
20182018-05-262018-08-15
20192019-06-012019-06-01
20212021-06-052021-08-12
20222022-06-172022-07-23
20232023-07-012023-08-24
20242024-06-262024-06-26
20252025-06-242025-07-30
20262026-07-012026-08-17

Every Fixed Threshold

Fixed thresholds at Two Rivers
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days701919766
35 C (95 F): Days17319701
90 F (32.2 C): Days441119762
0 C (32 F): Ice days (max7390201442
0 C (32 F): Frost days (min73167201887
-10 C (14 F): Days with min7378201434
-20 C (-4 F): Days with min702619636
-30 C (-22 F): Days with min7320193
20 C (68 F): Tropical nights (min462319959
10 mm (0.39 in): Days with 10 mm or more rain7440201921
25 mm (0.98 in): Days with 25 mm or more rain741119598
50 mm (1.97 in): Days with 50 mm or more rain31519781
100 mm (3.94 in): Days with 100 mm or more rain6119521
10 cm (3.9 in): Days with 10 cm or more snowfall57820002
25 cm (9.8 in): Days with 25 cm or more snowfall13320001

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 Two Rivers 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 (2026-10-17).