Built 2026-10-19 (19 October 2026)

Ruch Threshold Days by Year (USC00357391)

15 fixed thresholds counted per year at Ruch (USC00357391): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ruch Thresholds

  • Ruch: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1983 with 37.
  • Ruch: days with a maximum temperature at or above 30 C (86 F) in 38 years, most in 1967 with 98.
  • Ruch: days with a maximum temperature at or above 35 C (95 F) in 38 years, most in 2003 with 43.
  • Ruch: days with a maximum temperature at or above 90 F (32.2 C) in 38 years, most in 1994 with 82.
  • 15 fixed thresholds have at least one qualifying day at Ruch.
38 years with a qualifying day
Days at or above 30 C (86 F) per year at Ruch Days per year at Ruch with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 98 in 1967. 02550751001964: 591966: 581967: 981968: 641969: 681970: 871971: 501972: 821973: 861974: 831975: 721976: 591977: 831978: 481979: 671980: 761981: 851982: 631983: 461984: 721985: 771986: 791987: 831988: 871989: 641990: 661993: 681994: 961995: 801997: 742001: 952002: 882003: 972004: 972005: 702006: 812008: 782013: 881964196919731977198119851989199520032008
Days per year at Ruch with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 98 in 1967.
Days at or above 30 C (86 F) per year at Ruch
YearDaysDecade average
19645969.4
19665869.4
19679869.4
19686469.4
19696869.4
19708771.7
19715071.7
19728271.7
19738671.7
19748371.7
19757271.7
19765971.7
19778371.7
19784871.7
19796771.7
19807673.2
19818573.2
19826373.2
19834673.2
19847273.2
19857773.2
19867973.2
19878373.2
19888773.2
19896473.2
19906676.8
19936876.8
19949676.8
19958076.8
19977476.8
20019586.6
20028886.6
20039786.6
20049786.6
20057086.6
20068186.6
20087886.6
20138888
First to last qualifying date each year at Ruch For each year, a bar from the first to the last day at Ruch meeting 30 C (86 F). 1964: 22 June 1964 to 11 October 19641966: 18 May 1966 to 1 October 19661967: 16 May 1967 to 29 September 19671968: 18 May 1968 to 3 October 19681969: 6 May 1969 to 13 September 19691970: 3 May 1970 to 4 October 19701971: 11 May 1971 to 22 September 19711972: 12 May 1972 to 7 October 19721973: 11 May 1973 to 28 September 19731974: 25 May 1974 to 2 October 19741975: 13 May 1975 to 1 October 19751976: 8 May 1976 to 7 October 19761977: 23 April 1977 to 13 September 19771978: 20 May 1978 to 1 September 19781979: 19 May 1979 to 9 October 19791980: 20 May 1980 to 9 October 19801981: 29 April 1981 to 1 October 19811982: 24 May 1982 to 12 October 19821983: 20 May 1983 to 20 September 19831984: 14 April 1984 to 7 October 19841985: 14 April 1985 to 5 October 19851986: 20 April 1986 to 7 September 19861987: 26 April 1987 to 7 October 19871988: 11 April 1988 to 9 October 19881989: 13 April 1989 to 11 October 19891990: 14 April 1990 to 30 September 19901993: 9 May 1993 to 3 October 19931994: 9 May 1994 to 8 October 19941995: 28 May 1995 to 24 September 19951997: 11 May 1997 to 30 September 19972001: 26 April 2001 to 5 October 20012002: 25 May 2002 to 18 October 20022003: 23 May 2003 to 27 October 20032004: 26 April 2004 to 17 October 20042005: 10 March 2005 to 1 October 20052006: 30 April 2006 to 30 September 20062008: 13 April 2008 to 28 October 20082013: 27 April 2013 to 15 September 201319641970197519801985199020012006JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ruch meeting 30 C (86 F).
First to last qualifying date each year at Ruch
YearFirst dateLast date
19641964-06-221964-10-11
19661966-05-181966-10-01
19671967-05-161967-09-29
19681968-05-181968-10-03
19691969-05-061969-09-13
19701970-05-031970-10-04
19711971-05-111971-09-22
19721972-05-121972-10-07
19731973-05-111973-09-28
19741974-05-251974-10-02
19751975-05-131975-10-01
19761976-05-081976-10-07
19771977-04-231977-09-13
19781978-05-201978-09-01
19791979-05-191979-10-09
19801980-05-201980-10-09
19811981-04-291981-10-01
19821982-05-241982-10-12
19831983-05-201983-09-20
19841984-04-141984-10-07
19851985-04-141985-10-05
19861986-04-201986-09-07
19871987-04-261987-10-07
19881988-04-111988-10-09
19891989-04-131989-10-11
19901990-04-141990-09-30
19931993-05-091993-10-03
19941994-05-091994-10-08
19951995-05-281995-09-24
19971997-05-111997-09-30
20012001-04-262001-10-05
20022002-05-252002-10-18
20032003-05-232003-10-27
20042004-04-262004-10-17
20052005-03-102005-10-01
20062006-04-302006-09-30
20082008-04-132008-10-28
20132013-04-272013-09-15

Every Fixed Threshold

Fixed thresholds at Ruch
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3898196788
35 C (95 F): Days3843200331
40 C (104 F): Days20820032
90 F (32.2 C): Days3882199461
100 F (37.8 C): Days3719200310
110 F (43.3 C): Days2119811
0 C (32 F): Ice days (max9319723
0 C (32 F): Frost days (min38152200867
-10 C (14 F): Days with min18819901
20 C (68 F): Tropical nights (min3119831
10 mm (0.39 in): Days with 10 mm or more rain393719837
25 mm (0.98 in): Days with 25 mm or more rain36919833
50 mm (1.97 in): Days with 50 mm or more rain18319661
10 cm (3.9 in): Days with 10 cm or more snowfall17719751
25 cm (9.8 in): Days with 25 cm or more snowfall4219641

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Ruch 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).