Broken Bow Dam Threshold Days by Year (USC00341168)

15 fixed thresholds counted per year at Broken Bow Dam (USC00341168): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Broken Bow Dam Thresholds

Broken Bow Dam: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1973 with 58.
Broken Bow Dam: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1973 with 30.
Broken Bow Dam: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1984 with 10.
Broken Bow Dam: days with a maximum temperature at or above 30 C (86 F) in 26 years, most in 1987 with 136.
15 fixed thresholds have at least one qualifying day at Broken Bow Dam.

Days at or above 30 C (86 F)

26 years with a qualifying day

Days per year at Broken Bow Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 136 in 1987.

Days at or above 30 C (86 F) per year at Broken Bow Dam
Year	Days	Decade average
1970	102	106.9
1971	95	106.9
1972	123	106.9
1973	106	106.9
1974	93	106.9
1975	114	106.9
1976	86	106.9
1977	123	106.9
1978	121	106.9
1979	106	106.9
1980	123	112.7
1981	101	112.7
1982	112	112.7
1983	116	112.7
1984	112	112.7
1985	115	112.7
1986	110	112.7
1987	136	112.7
1988	100	112.7
1989	102	112.7
1990	107	116.8
1991	123	116.8
1992	93	116.8
1994	128	116.8
1995	128	116.8
1996	122	116.8

For each year, a bar from the first to the last day at Broken Bow Dam meeting 30 C (86 F).

First to last qualifying date each year at Broken Bow Dam
Year	First date	Last date
1970	1970-05-20	1970-10-04
1971	1971-04-21	1971-10-03
1972	1972-04-12	1972-10-19
1973	1973-05-10	1973-10-09
1974	1974-04-01	1974-10-19
1975	1975-04-25	1975-10-25
1976	1976-05-23	1976-10-03
1977	1977-05-03	1977-10-15
1978	1978-04-07	1978-10-22
1979	1979-04-14	1979-10-13
1980	1980-04-08	1980-10-11
1981	1981-04-30	1981-10-06
1982	1982-03-17	1982-10-08
1983	1983-05-08	1983-10-06
1984	1984-04-25	1984-09-25
1985	1985-04-16	1985-10-14
1986	1986-04-25	1986-10-04
1987	1987-04-18	1987-10-11
1988	1988-04-05	1988-10-18
1989	1989-04-04	1989-11-06
1990	1990-04-29	1990-10-06
1991	1991-03-06	1991-10-23
1992	1992-05-04	1992-10-26
1994	1994-03-20	1994-10-08
1995	1995-03-22	1995-10-16
1996	1996-02-20	1996-10-27

Every Fixed Threshold

Fixed thresholds at Broken Bow Dam
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	26	136	1987	122
35 C (95 F): Days	26	76	1980	24
40 C (104 F): Days	8	5	1985	1
90 F (32.2 C): Days	26	103	1980	88
100 F (37.8 C): Days	22	30	1980	2
0 C (32 F): Ice days (max	22	13	1989	9
0 C (32 F): Frost days (min	25	105	1996	105
-10 C (14 F): Days with min	20	14	1996	14
20 C (68 F): Tropical nights (min	25	103	1971	18
10 mm (0.39 in): Days with 10 mm or more rain	30	58	1973	49
25 mm (0.98 in): Days with 25 mm or more rain	30	30	1973	25
50 mm (1.97 in): Days with 50 mm or more rain	30	10	1984	6
100 mm (3.94 in): Days with 100 mm or more rain	14	3	1991	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1971	1
10 cm (3.9 in): Days with 10 cm or more snowfall	1	0	n/a	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

Data for Broken Bow 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Broken Bow Dam Threshold Days by Year (USC00341168)

Key Facts for Broken Bow Dam Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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