Built 2026-10-19 (19 October 2026)

Ridgeway 1 S Threshold Days by Year (USC00247034)

20 fixed thresholds counted per year at Ridgeway 1 S (USC00247034): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ridgeway 1 S Thresholds

  • Ridgeway 1 S: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 2019 with 22.
  • Ridgeway 1 S: days with a maximum temperature at or above 30 C (86 F) in 66 years, most in 2021 with 73.
  • Ridgeway 1 S: days with a maximum temperature at or below 0 C (32 F) in 66 years, most in 1978 with 90.
  • Ridgeway 1 S: days with a maximum temperature at or above 90 F (32.2 C) in 65 years, most in 1983 with 50.
  • 20 fixed thresholds have at least one qualifying day at Ridgeway 1 S.
66 years with a qualifying day
Days at or above 30 C (86 F) per year at Ridgeway 1 S Days per year at Ridgeway 1 S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 2021. 0204060801957: 521958: 361959: 501960: 481961: 621962: 211963: 471964: 431965: 191967: 331968: 271969: 421970: 641972: 291973: 361974: 401975: 331976: 511977: 371978: 341979: 391980: 541981: 441982: 301983: 651984: 371985: 341986: 331987: 341988: 651989: 391990: 251991: 381992: 151993: 71994: 431995: 421996: 421997: 311998: 351999: 282000: 472001: 442002: 452003: 542005: 442006: 472007: 532008: 342009: 322010: 292011: 412013: 332014: 242015: 422016: 432017: 482018: 352019: 192020: 472021: 732022: 562023: 352024: 532025: 382026: 611957196419731980198719942001200920172024
Days per year at Ridgeway 1 S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 2021.
Days at or above 30 C (86 F) per year at Ridgeway 1 S
YearDaysDecade average
19575246
19583646
19595046
19604838
19616238
19622138
19634738
19644338
19651938
19673338
19682738
19694238
19706440.3
19722940.3
19733640.3
19744040.3
19753340.3
19765140.3
19773740.3
19783440.3
19793940.3
19805443.5
19814443.5
19823043.5
19836543.5
19843743.5
19853443.5
19863343.5
19873443.5
19886543.5
19893943.5
19902530.6
19913830.6
19921530.6
1993730.6
19944330.6
19954230.6
19964230.6
19973130.6
19983530.6
19992830.6
20004744.4
20014444.4
20024544.4
20035444.4
20054444.4
20064744.4
20075344.4
20083444.4
20093244.4
20102934.9
20114134.9
20133334.9
20142434.9
20154234.9
20164334.9
20174834.9
20183534.9
20191934.9
20204751.9
20217351.9
20225651.9
20233551.9
20245351.9
20253851.9
20266151.9
First to last qualifying date each year at Ridgeway 1 S For each year, a bar from the first to the last day at Ridgeway 1 S meeting 30 C (86 F). 1957: 2 May 1957 to 2 October 19571958: 11 May 1958 to 23 September 19581959: 3 June 1959 to 14 September 19591960: 12 May 1960 to 20 September 19601961: 10 May 1961 to 16 September 19611962: 26 June 1962 to 6 September 19621963: 19 June 1963 to 5 October 19631964: 17 May 1964 to 17 September 19641965: 8 July 1965 to 9 October 19651967: 5 July 1967 to 29 September 19671968: 2 June 1968 to 14 September 19681969: 26 May 1969 to 20 September 19691970: 17 May 1970 to 5 October 19701972: 16 May 1972 to 18 September 19721973: 8 June 1973 to 7 September 19731974: 13 June 1974 to 26 September 19741975: 24 June 1975 to 6 October 19751976: 2 June 1976 to 2 October 19761977: 9 May 1977 to 14 September 19771978: 4 July 1978 to 10 September 19781979: 16 May 1979 to 16 September 19791980: 20 April 1980 to 8 October 19801981: 26 June 1981 to 2 October 19811982: 12 July 1982 to 10 September 19821983: 27 May 1983 to 26 September 19831984: 30 May 1984 to 18 September 19841985: 3 May 1985 to 31 August 19851986: 4 May 1986 to 25 August 19861987: 18 April 1987 to 2 September 19871988: 17 May 1988 to 6 September 19881989: 19 June 1989 to 30 September 19891990: 24 June 1990 to 25 September 19901991: 16 June 1991 to 7 September 19911992: 11 June 1992 to 2 October 19921993: 20 June 1993 to 11 September 19931994: 12 May 1994 to 10 September 19941995: 13 June 1995 to 5 September 19951996: 9 June 1996 to 4 September 19961997: 22 June 1997 to 7 October 19971998: 10 July 1998 to 18 September 19981999: 20 June 1999 to 6 September 19992000: 6 June 2000 to 17 September 20002001: 28 April 2001 to 28 September 20012002: 16 June 2002 to 16 September 20022003: 29 May 2003 to 11 September 20032005: 17 June 2005 to 1 October 20052006: 18 May 2006 to 13 September 20062007: 18 May 2007 to 22 September 20072008: 24 June 2008 to 25 September 20082009: 18 May 2009 to 19 September 20092010: 29 June 2010 to 28 September 20102011: 5 June 2011 to 4 October 20112013: 13 May 2013 to 17 September 20132014: 28 May 2014 to 26 September 20142015: 8 June 2015 to 26 September 20152016: 8 June 2016 to 2 September 20162017: 1 June 2017 to 13 September 20172018: 28 May 2018 to 8 September 20182019: 11 July 2019 to 17 September 20192020: 31 May 2020 to 24 September 20202021: 20 May 2021 to 5 October 20212022: 18 June 2022 to 29 September 20222023: 6 June 2023 to 18 September 20232024: 14 June 2024 to 30 September 20242025: 11 May 2025 to 3 October 20252026: 13 May 2026 to 9 October 202619571967197719861995200520152024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ridgeway 1 S meeting 30 C (86 F).
First to last qualifying date each year at Ridgeway 1 S
YearFirst dateLast date
19571957-05-021957-10-02
19581958-05-111958-09-23
19591959-06-031959-09-14
19601960-05-121960-09-20
19611961-05-101961-09-16
19621962-06-261962-09-06
19631963-06-191963-10-05
19641964-05-171964-09-17
19651965-07-081965-10-09
19671967-07-051967-09-29
19681968-06-021968-09-14
19691969-05-261969-09-20
19701970-05-171970-10-05
19721972-05-161972-09-18
19731973-06-081973-09-07
19741974-06-131974-09-26
19751975-06-241975-10-06
19761976-06-021976-10-02
19771977-05-091977-09-14
19781978-07-041978-09-10
19791979-05-161979-09-16
19801980-04-201980-10-08
19811981-06-261981-10-02
19821982-07-121982-09-10
19831983-05-271983-09-26
19841984-05-301984-09-18
19851985-05-031985-08-31
19861986-05-041986-08-25
19871987-04-181987-09-02
19881988-05-171988-09-06
19891989-06-191989-09-30
19901990-06-241990-09-25
19911991-06-161991-09-07
19921992-06-111992-10-02
19931993-06-201993-09-11
19941994-05-121994-09-10
19951995-06-131995-09-05
19961996-06-091996-09-04
19971997-06-221997-10-07
19981998-07-101998-09-18
19991999-06-201999-09-06
20002000-06-062000-09-17
20012001-04-282001-09-28
20022002-06-162002-09-16
20032003-05-292003-09-11
20052005-06-172005-10-01
20062006-05-182006-09-13
20072007-05-182007-09-22
20082008-06-242008-09-25
20092009-05-182009-09-19
20102010-06-292010-09-28
20112011-06-052011-10-04
20132013-05-132013-09-17
20142014-05-282014-09-26
20152015-06-082015-09-26
20162016-06-082016-09-02
20172017-06-012017-09-13
20182018-05-282018-09-08
20192019-07-112019-09-17
20202020-05-312020-09-24
20212021-05-202021-10-05
20222022-06-182022-09-29
20232023-06-062023-09-18
20242024-06-142024-09-30
20252025-05-112025-10-03
20262026-05-132026-10-09

Every Fixed Threshold

Fixed thresholds at Ridgeway 1 S
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days6673202161
35 C (95 F): Days6428200320
40 C (104 F): Days14920034
90 F (32.2 C): Days6550198337
100 F (37.8 C): Days391920039
0 C (32 F): Ice days (max6690197820
0 C (32 F): Frost days (min642191974114
-10 C (14 F): Days with min64109197825
-20 C (-4 F): Days with min645419785
-30 C (-22 F): Days with min561519855
-40 C (-40 F): Days with min4319891
20 C (68 F): Tropical nights (min471420033
25 C (77 F): Days with min4320033
10 mm (0.39 in): Days with 10 mm or more rain692220199
25 mm (0.98 in): Days with 25 mm or more rain55619773
50 mm (1.97 in): Days with 50 mm or more rain13119621
100 mm (3.94 in): Days with 100 mm or more rain1120221
10 cm (3.9 in): Days with 10 cm or more snowfall571020182
25 cm (9.8 in): Days with 25 cm or more snowfall14219841
50 cm (19.7 in): Days with 50 cm or more snowfall4119841

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

  • Data for Ridgeway 1 S 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).