Built 2026-10-19 (19 October 2026)

Bethal Threshold Days by Year (SF000068370)

8 fixed thresholds counted per year at Bethal (SF000068370): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bethal Thresholds

  • Bethal: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 2000 with 39.
  • Bethal: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1967 with 14.
  • Bethal: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 1992 with 62.
  • Bethal: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 1992 with 33.
  • 8 fixed thresholds have at least one qualifying day at Bethal.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Bethal Days per year at Bethal with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 33 in 1992. 0102030401964: 111965: 131966: 181967: 31968: 211969: 151971: 31972: 131973: 71974: 11977: 21978: 21979: 51980: 51982: 91983: 201984: 51985: 101987: 31989: 41990: 51991: 71992: 331993: 111994: 51995: 171996: 41997: 101998: 101999: 132000: 219641968197319791984199019941998
Days per year at Bethal with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 33 in 1992.
Days at or above 30 C (86 F) per year at Bethal
YearDaysDecade average
19641113.5
19651313.5
19661813.5
1967313.5
19682113.5
19691513.5
197134.7
1972134.7
197374.7
197414.7
197724.7
197824.7
197954.7
198058
198298
1983208
198458
1985108
198738
198948
1990511.5
1991711.5
19923311.5
19931111.5
1994511.5
19951711.5
1996411.5
19971011.5
19981011.5
19991311.5
200022
First to last qualifying date each year at Bethal For each year, a bar from the first to the last day at Bethal meeting 30 C (86 F). 1964: 22 February 1964 to 9 November 19641965: 10 February 1965 to 28 December 19651966: 1 January 1966 to 29 November 19661967: 29 September 1967 to 23 October 19671968: 3 January 1968 to 29 December 19681969: 2 January 1969 to 18 November 19691971: 11 January 1971 to 26 December 19711972: 17 October 1972 to 30 December 19721973: 2 January 1973 to 15 March 19731974: 14 October 1974 to 14 October 19741977: 10 October 1977 to 11 October 19771978: 24 November 1978 to 7 December 19781979: 5 February 1979 to 30 December 19791980: 2 January 1980 to 29 October 19801982: 1 January 1982 to 29 December 19821983: 5 January 1983 to 2 October 19831984: 15 February 1984 to 6 March 19841985: 1 January 1985 to 25 November 19851987: 19 February 1987 to 4 April 19871989: 30 September 1989 to 24 November 19891990: 23 October 1990 to 19 November 19901991: 1 March 1991 to 8 November 19911992: 7 January 1992 to 28 December 19921993: 7 January 1993 to 2 December 19931994: 25 September 1994 to 22 December 19941995: 6 January 1995 to 15 November 19951996: 3 January 1996 to 4 November 19961997: 7 February 1997 to 21 December 19971998: 4 February 1998 to 15 November 19981999: 6 February 1999 to 4 November 19992000: 17 October 2000 to 18 October 200019641968197319791984199019941998JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bethal meeting 30 C (86 F).
First to last qualifying date each year at Bethal
YearFirst dateLast date
19641964-02-221964-11-09
19651965-02-101965-12-28
19661966-01-011966-11-29
19671967-09-291967-10-23
19681968-01-031968-12-29
19691969-01-021969-11-18
19711971-01-111971-12-26
19721972-10-171972-12-30
19731973-01-021973-03-15
19741974-10-141974-10-14
19771977-10-101977-10-11
19781978-11-241978-12-07
19791979-02-051979-12-30
19801980-01-021980-10-29
19821982-01-011982-12-29
19831983-01-051983-10-02
19841984-02-151984-03-06
19851985-01-011985-11-25
19871987-02-191987-04-04
19891989-09-301989-11-24
19901990-10-231990-11-19
19911991-03-011991-11-08
19921992-01-071992-12-28
19931993-01-071993-12-02
19941994-09-251994-12-22
19951995-01-061995-11-15
19961996-01-031996-11-04
19971997-02-071997-12-21
19981998-02-041998-11-15
19991999-02-061999-11-04
20002000-10-172000-10-18

Every Fixed Threshold

Fixed thresholds at Bethal
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days313319922
90 F (32.2 C): Days10519682
0 C (32 F): Frost days (min3462199244
-10 C (14 F): Days with min1119921
20 C (68 F): Tropical nights (min1219792
10 mm (0.39 in): Days with 10 mm or more rain3639200039
25 mm (0.98 in): Days with 25 mm or more rain3614196710
50 mm (1.97 in): Days with 50 mm or more rain23319752

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 Bethal 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 (2025-12-31).