Gunnison Threshold Days by Year (USC00423514)

13 fixed thresholds counted per year at Gunnison (USC00423514): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Gunnison Thresholds

Gunnison: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 1958 with 99.
Gunnison: days with a maximum temperature at or above 90 F (32.2 C) in 31 years, most in 1988 with 81.
Gunnison: days with a maximum temperature at or below 0 C (32 F) in 31 years, most in 1979 with 31.
Gunnison: nights with a minimum temperature at or below 0 C (32 F) in 31 years, most in 1968 with 227.
13 fixed thresholds have at least one qualifying day at Gunnison.

Days at or above 30 C (86 F)

31 years with a qualifying day

Days per year at Gunnison with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 99 in 1958.

Days at or above 30 C (86 F) per year at Gunnison
Year	Days	Decade average
1957	75	87.7
1958	99	87.7
1959	89	87.7
1960	90	71.1
1961	79	71.1
1963	91	71.1
1964	60	71.1
1965	37	71.1
1966	83	71.1
1967	69	71.1
1968	59	71.1
1969	72	71.1
1970	65	77
1971	78	77
1972	63	77
1973	71	77
1974	87	77
1975	61	77
1976	83	77
1977	88	77
1978	83	77
1979	91	77
1980	71	79.8
1981	88	79.8
1982	63	79.8
1983	70	79.8
1984	80	79.8
1985	78	79.8
1986	91	79.8
1987	80	79.8
1988	97	79.8

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

First to last qualifying date each year at Gunnison
Year	First date	Last date
1957	1957-06-02	1957-10-01
1958	1958-05-19	1958-09-23
1959	1959-06-04	1959-09-12
1960	1960-05-11	1960-09-29
1961	1961-05-25	1961-09-06
1963	1963-05-06	1963-10-03
1964	1964-05-16	1964-09-12
1965	1965-06-12	1965-08-28
1966	1966-05-06	1966-09-24
1967	1967-05-22	1967-09-05
1968	1968-05-28	1968-09-10
1969	1969-05-15	1969-09-28
1970	1970-05-17	1970-09-11
1971	1971-06-14	1971-09-13
1972	1972-05-29	1972-09-04
1973	1973-06-07	1973-09-20
1974	1974-05-26	1974-09-11
1975	1975-06-06	1975-10-05
1976	1976-05-14	1976-09-15
1977	1977-05-31	1977-09-09
1978	1978-05-13	1978-09-28
1979	1979-05-22	1979-10-07
1980	1980-06-09	1980-09-28
1981	1981-05-01	1981-09-20
1982	1982-06-12	1982-09-23
1983	1983-05-27	1983-09-17
1984	1984-05-10	1984-09-19
1985	1985-06-05	1985-09-14
1986	1986-05-19	1986-09-08
1987	1987-05-09	1987-10-07
1988	1988-05-15	1988-10-03

Every Fixed Threshold

Fixed thresholds at Gunnison
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	31	99	1958	97
35 C (95 F): Days	30	36	1959	33
40 C (104 F): Days	1	1	1960	1
90 F (32.2 C): Days	31	81	1988	81
100 F (37.8 C): Days	17	12	1960	4
0 C (32 F): Ice days (max	31	31	1979	20
0 C (32 F): Frost days (min	31	227	1968	172
-10 C (14 F): Days with min	31	75	1964	62
-20 C (-4 F): Days with min	27	14	1988	14
-30 C (-22 F): Days with min	3	1	1963	1
10 mm (0.39 in): Days with 10 mm or more rain	30	14	1983	4
25 mm (0.98 in): Days with 25 mm or more rain	5	1	1957	1
10 cm (3.9 in): Days with 10 cm or more snowfall	6	4	1961	1

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 Gunnison 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).

Gunnison Threshold Days by Year (USC00423514)

Key Facts for Gunnison Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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