Marmarth Threshold Days by Year

19 fixed thresholds counted per year at Marmarth (USC00325575): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Marmarth Thresholds

Marmarth: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1993 with 23.
Marmarth: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 2013 with 8.
Marmarth: days with 10 cm (3.9 in) or more of snowfall in 29 years, most in 1993 with 5.
Marmarth: days with a maximum temperature at or above 30 C (86 F) in 12 years, most in 1961 with 62.
19 fixed thresholds have at least one qualifying day at Marmarth.

Days at or above 30 C (86 F)

12 years with a qualifying day

Days per year at Marmarth with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 62 in 1961.

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

First to last qualifying date each year at Marmarth
Year	First date	Last date
1958	1958-05-12	1958-09-20
1959	1959-06-04	1959-09-14
1960	1960-05-13	1960-10-07
1961	1961-05-31	1961-09-01
1962	1962-04-25	1962-09-07
1963	1963-05-30	1963-10-05
1964	1964-05-18	1964-09-18
1965	1965-07-04	1965-08-24
1966	1966-05-05	1966-09-24
1967	1967-05-24	1967-09-30
1976	1976-06-02	1976-10-03
2013	2013-05-12	2013-09-07

Every Fixed Threshold

Fixed thresholds at Marmarth
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	12	62	1961	40
35 C (95 F): Days	12	25	1961	6
40 C (104 F): Days	2	3	1960	3
90 F (32.2 C): Days	12	48	1961	25
100 F (37.8 C): Days	9	8	1959	3
110 F (43.3 C): Days	1	1	1960	1
0 C (32 F): Ice days (max	12	76	1965	53
0 C (32 F): Frost days (min	12	214	1965	202
-10 C (14 F): Days with min	12	105	1964	91
-20 C (-4 F): Days with min	12	48	1965	20
-30 C (-22 F): Days with min	12	17	1963	6
-40 C (-40 F): Days with min	1	1	1976	1
20 C (68 F): Tropical nights (min	8	3	1960	2
10 mm (0.39 in): Days with 10 mm or more rain	37	23	1993	21
25 mm (0.98 in): Days with 25 mm or more rain	35	8	2013	8
50 mm (1.97 in): Days with 50 mm or more rain	7	2	1997	1
10 cm (3.9 in): Days with 10 cm or more snowfall	29	5	1993	3
25 cm (9.8 in): Days with 25 cm or more snowfall	7	2	1963	2
50 cm (19.7 in): Days with 50 cm or more snowfall	2	1	1963	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

Data for Marmarth 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Year	Days	Decade average
1958	39	47.5
1959	56	47.5
1960	51	43
1961	62	43
1962	22	43
1963	41	43
1964	42	43
1965	27	43
1966	53	43
1967	46	43
1976	58	58
2013	40	40

Marmarth Threshold Days by Year

Key Facts for Marmarth Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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