Built 2026-10-19 (19 October 2026)

Rathbun Dam Threshold Days by Year (USC00136910)

17 fixed thresholds counted per year at Rathbun Dam (USC00136910): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rathbun Dam Thresholds

  • Rathbun Dam: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 2001 with 41.
  • Rathbun Dam: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1982 with 17.
  • Rathbun Dam: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1988 with 72.
  • Rathbun Dam: days with a maximum temperature at or above 90 F (32.2 C) in 33 years, most in 1988 with 52.
  • 17 fixed thresholds have at least one qualifying day at Rathbun Dam.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Rathbun Dam Days per year at Rathbun Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 1988. 0204060801971: 601972: 431974: 321975: 541976: 451977: 471978: 491979: 321980: 611981: 301982: 251983: 461984: 401985: 351986: 361987: 521988: 721989: 421990: 451991: 521992: 181993: 271994: 331995: 521996: 321998: 481999: 422000: 422001: 382002: 532003: 342025: 542026: 51197119761980198419881992199620012026
Days per year at Rathbun Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 1988.
Days at or above 30 C (86 F) per year at Rathbun Dam
YearDaysDecade average
19716045.3
19724345.3
19743245.3
19755445.3
19764545.3
19774745.3
19784945.3
19793245.3
19806143.9
19813043.9
19822543.9
19834643.9
19844043.9
19853543.9
19863643.9
19875243.9
19887243.9
19894243.9
19904538.8
19915238.8
19921838.8
19932738.8
19943338.8
19955238.8
19963238.8
19984838.8
19994238.8
20004241.8
20013841.8
20025341.8
20033441.8
20255452.5
20265152.5
First to last qualifying date each year at Rathbun Dam For each year, a bar from the first to the last day at Rathbun Dam meeting 30 C (86 F). 1971: 4 June 1971 to 1 October 19711972: 23 May 1972 to 20 September 19721974: 15 June 1974 to 27 August 19741975: 19 May 1975 to 14 October 19751976: 12 June 1976 to 3 October 19761977: 20 May 1977 to 28 August 19771978: 26 May 1978 to 20 September 19781979: 4 June 1979 to 12 September 19791980: 22 April 1980 to 21 September 19801981: 3 April 1981 to 1 October 19811982: 26 June 1982 to 12 September 19821983: 14 June 1983 to 3 October 19831984: 17 June 1984 to 25 September 19841985: 27 April 1985 to 20 September 19851986: 30 March 1986 to 26 September 19861987: 21 April 1987 to 6 September 19871988: 15 May 1988 to 23 September 19881989: 25 April 1989 to 14 October 19891990: 13 June 1990 to 6 October 19901991: 14 May 1991 to 14 September 19911992: 1 May 1992 to 25 August 19921993: 18 June 1993 to 13 September 19931994: 14 June 1994 to 1 October 19941995: 8 June 1995 to 15 September 19951996: 18 May 1996 to 5 September 19961998: 19 May 1998 to 27 September 19981999: 6 June 1999 to 16 October 19992000: 12 May 2000 to 19 September 20002001: 16 May 2001 to 4 September 20012002: 16 April 2002 to 2 October 20022003: 31 May 2003 to 12 September 20032025: 3 June 2025 to 5 October 20252026: 22 March 2026 to 14 October 20261971197719821987199219982003JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rathbun Dam meeting 30 C (86 F).
First to last qualifying date each year at Rathbun Dam
YearFirst dateLast date
19711971-06-041971-10-01
19721972-05-231972-09-20
19741974-06-151974-08-27
19751975-05-191975-10-14
19761976-06-121976-10-03
19771977-05-201977-08-28
19781978-05-261978-09-20
19791979-06-041979-09-12
19801980-04-221980-09-21
19811981-04-031981-10-01
19821982-06-261982-09-12
19831983-06-141983-10-03
19841984-06-171984-09-25
19851985-04-271985-09-20
19861986-03-301986-09-26
19871987-04-211987-09-06
19881988-05-151988-09-23
19891989-04-251989-10-14
19901990-06-131990-10-06
19911991-05-141991-09-14
19921992-05-011992-08-25
19931993-06-181993-09-13
19941994-06-141994-10-01
19951995-06-081995-09-15
19961996-05-181996-09-05
19981998-05-191998-09-27
19991999-06-061999-10-16
20002000-05-122000-09-19
20012001-05-162001-09-04
20022002-04-162002-10-02
20032003-05-312003-09-12
20252025-06-032025-10-05
20262026-03-222026-10-14

Every Fixed Threshold

Fixed thresholds at Rathbun Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3372198851
35 C (95 F): Days3029198812
40 C (104 F): Days3119801
90 F (32.2 C): Days3352198828
100 F (37.8 C): Days91119882
0 C (32 F): Ice days (max3376197817
0 C (32 F): Frost days (min31154197561
-10 C (14 F): Days with min3173197821
-20 C (-4 F): Days with min302919784
-30 C (-22 F): Days with min5319893
20 C (68 F): Tropical nights (min3135199045
25 C (77 F): Days with min11420011
10 mm (0.39 in): Days with 10 mm or more rain3541200136
25 mm (0.98 in): Days with 25 mm or more rain3517198210
50 mm (1.97 in): Days with 50 mm or more rain28819801
100 mm (3.94 in): Days with 100 mm or more rain3119801
10 cm (3.9 in): Days with 10 cm or more snowfall26319791

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

  • Data for Rathbun Dam 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).