Tensleep 16SSE Threshold Days by Year (USC00488858)

17 fixed thresholds counted per year at Tensleep 16SSE (USC00488858): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tensleep 16SSE Thresholds

Tensleep 16SSE: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1961 with 17.
Tensleep 16SSE: days with 10 cm (3.9 in) or more of snowfall in 66 years, most in 1967 with 11.
Tensleep 16SSE: days with a maximum temperature at or above 30 C (86 F) in 63 years, most in 1966 with 77.
Tensleep 16SSE: days with a maximum temperature at or above 90 F (32.2 C) in 63 years, most in 2022 with 52.
17 fixed thresholds have at least one qualifying day at Tensleep 16SSE.

Days at or above 30 C (86 F)

63 years with a qualifying day

Days per year at Tensleep 16SSE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 77 in 1966.

Days at or above 30 C (86 F) per year at Tensleep 16SSE
Year	Days	Decade average
1960	57	54.6
1961	63	54.6
1962	35	54.6
1963	47	54.6
1966	77	54.6
1967	50	54.6
1968	44	54.6
1969	64	54.6
1970	70	61.7
1971	71	61.7
1972	49	61.7
1973	58	61.7
1974	67	61.7
1975	57	61.7
1976	65	61.7
1977	61	61.7
1978	54	61.7
1979	65	61.7
1980	61	55.6
1981	70	55.6
1982	46	55.6
1983	58	55.6
1984	66	55.6
1985	56	55.6
1986	55	55.6
1987	38	55.6
1988	64	55.6
1989	42	55.6
1990	30	35.2
1991	39	35.2
1992	18	35.2
1993	7	35.2
1994	49	35.2
1995	39	35.2
1996	44	35.2
1997	35	35.2
1998	49	35.2
1999	42	35.2
2000	58	52.4
2001	73	52.4
2002	48	52.4
2003	58	52.4
2004	31	52.4
2005	53	52.4
2006	62	52.4
2007	59	52.4
2008	47	52.4
2009	35	52.4
2010	48	50.5
2011	54	50.5
2012	68	50.5
2013	71	50.5
2014	28	50.5
2015	41	50.5
2016	59	50.5
2017	50	50.5
2018	44	50.5
2019	42	50.5
2020	66	62.2
2021	74	62.2
2022	74	62.2
2023	40	62.2
2026	57	62.2

For each year, a bar from the first to the last day at Tensleep 16SSE meeting 30 C (86 F).

First to last qualifying date each year at Tensleep 16SSE
Year	First date	Last date
1960	1960-05-12	1960-09-06
1961	1961-06-09	1961-08-28
1962	1962-06-19	1962-08-25
1963	1963-06-13	1963-09-07
1966	1966-05-06	1966-09-24
1967	1967-05-25	1967-09-30
1968	1968-06-03	1968-09-14
1969	1969-05-25	1969-09-28
1970	1970-06-08	1970-09-09
1971	1971-05-28	1971-09-14
1972	1972-06-01	1972-09-18
1973	1973-06-08	1973-09-08
1974	1974-06-13	1974-09-11
1975	1975-06-25	1975-10-07
1976	1976-06-03	1976-09-18
1977	1977-06-02	1977-09-08
1978	1978-05-16	1978-09-10
1979	1979-05-25	1979-09-26
1980	1980-05-22	1980-10-01
1981	1981-06-07	1981-09-20
1982	1982-06-23	1982-09-10
1983	1983-05-26	1983-09-17
1984	1984-05-24	1984-09-21
1985	1985-05-25	1985-09-02
1986	1986-05-21	1986-08-31
1987	1987-05-01	1987-09-26
1988	1988-05-30	1988-09-08
1989	1989-06-16	1989-09-06
1990	1990-06-24	1990-09-13
1991	1991-06-25	1991-09-07
1992	1992-05-20	1992-10-02
1993	1993-06-29	1993-09-12
1994	1994-06-04	1994-09-10
1995	1995-07-07	1995-09-05
1996	1996-06-09	1996-09-05
1997	1997-06-04	1997-09-11
1998	1998-07-02	1998-09-19
1999	1999-06-21	1999-08-31
2000	2000-06-06	2000-09-17
2001	2001-05-13	2001-09-29
2002	2002-05-31	2002-09-06
2003	2003-05-27	2003-09-06
2004	2004-06-05	2004-09-19
2005	2005-06-17	2005-09-10
2006	2006-06-03	2006-09-14
2007	2007-06-17	2007-09-05
2008	2008-06-18	2008-08-31
2009	2009-05-19	2009-09-20
2010	2010-05-29	2010-09-29
2011	2011-06-07	2011-10-02
2012	2012-05-17	2012-09-11
2013	2013-05-14	2013-09-08
2014	2014-05-29	2014-09-27
2015	2015-06-10	2015-09-27
2016	2016-06-08	2016-09-03
2017	2017-06-05	2017-09-14
2018	2018-06-10	2018-09-16
2019	2019-06-27	2019-09-16
2020	2020-05-31	2020-09-25
2021	2021-06-04	2021-09-28
2022	2022-06-12	2022-09-28
2023	2023-07-02	2023-09-30
2026	2026-05-13	2026-09-11

Every Fixed Threshold

Fixed thresholds at Tensleep 16SSE
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	63	77	1966	57
35 C (95 F): Days	57	21	2003	19
40 C (104 F): Days	1	0	n/a	1
90 F (32.2 C): Days	63	52	2022	40
100 F (37.8 C): Days	23	4	2002	3
0 C (32 F): Ice days (max	63	77	1978	4
0 C (32 F): Frost days (min	63	235	1984	71
-10 C (14 F): Days with min	63	129	1984	22
-20 C (-4 F): Days with min	63	63	1985	5
-30 C (-22 F): Days with min	55	24	1979	5
-40 C (-40 F): Days with min	16	5	1985	1
20 C (68 F): Tropical nights (min	1	1	1988	1
10 mm (0.39 in): Days with 10 mm or more rain	67	17	1961	1
25 mm (0.98 in): Days with 25 mm or more rain	36	4	1978	3
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1978	1
10 cm (3.9 in): Days with 10 cm or more snowfall	66	11	1967	1
25 cm (9.8 in): Days with 25 cm or more snowfall	14	2	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 1960.

Download the Data

Data for Tensleep 16SSE 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Tensleep 16SSE Threshold Days by Year (USC00488858)

Key Facts for Tensleep 16SSE Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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