Lame Deer Threshold Days by Year (USC00244839)

18 fixed thresholds counted per year at Lame Deer (USC00244839): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lame Deer Thresholds

Lame Deer: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1941 with 18.
Lame Deer: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 1961 with 82.
Lame Deer: days with a maximum temperature at or above 35 C (95 F) in 39 years, most in 1961 with 41.
Lame Deer: days with a maximum temperature at or above 90 F (32.2 C) in 39 years, most in 1961 with 71.
18 fixed thresholds have at least one qualifying day at Lame Deer.

Days at or above 30 C (86 F)

39 years with a qualifying day

Days per year at Lame Deer with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 82 in 1961.

Days at or above 30 C (86 F) per year at Lame Deer
Year	Days	Decade average
1903	46	46
1938	61	63
1939	65	63
1940	75	56
1941	48	56
1942	45	56
1943	59	56
1944	36	56
1945	54	56
1946	61	56
1947	61	56
1948	65	56
1950	28	58
1951	38	58
1952	72	58
1953	73	58
1954	65	58
1955	60	58
1959	70	58
1960	75	64.7
1961	82	64.7
1962	52	64.7
1963	77	64.7
1964	57	64.7
1965	45	64.7
1972	47	56.2
1973	55	56.2
1974	59	56.2
1976	68	56.2
1977	52	56.2
1980	66	61.4
1981	70	61.4
1982	42	61.4
1983	68	61.4
1984	61	61.4
1990	68	49.3
1991	57	49.3
1992	44	49.3
1993	28	49.3

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

First to last qualifying date each year at Lame Deer
Year	First date	Last date
1903	1903-05-13	1903-09-22
1938	1938-05-27	1938-09-30
1939	1939-04-29	1939-09-21
1940	1940-05-11	1940-09-17
1941	1941-05-12	1941-09-18
1942	1942-07-04	1942-10-10
1943	1943-04-23	1943-10-08
1944	1944-05-29	1944-09-13
1945	1945-06-21	1945-09-06
1946	1946-04-26	1946-10-01
1947	1947-05-02	1947-10-20
1948	1948-04-29	1948-10-03
1950	1950-06-05	1950-09-07
1951	1951-05-23	1951-09-10
1952	1952-04-26	1952-09-27
1953	1953-05-07	1953-10-10
1954	1954-05-19	1954-10-07
1955	1955-06-21	1955-10-09
1959	1959-06-03	1959-09-08
1960	1960-05-11	1960-10-06
1961	1961-05-10	1961-09-17
1962	1962-06-23	1962-09-07
1963	1963-06-19	1963-10-05
1964	1964-05-19	1964-09-18
1965	1965-07-03	1965-10-09
1972	1972-05-16	1972-09-19
1973	1973-06-01	1973-09-08
1974	1974-06-13	1974-09-26
1976	1976-05-28	1976-10-02
1977	1977-05-10	1977-09-15
1980	1980-04-20	1980-09-30
1981	1981-05-01	1981-09-20
1982	1982-06-26	1982-09-10
1983	1983-06-10	1983-09-27
1984	1984-05-15	1984-09-20
1990	1990-06-10	1990-09-26
1991	1991-05-19	1991-10-16
1992	1992-05-06	1992-10-04
1993	1993-05-13	1993-10-03

Every Fixed Threshold

Fixed thresholds at Lame Deer
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	39	82	1961	28
35 C (95 F): Days	39	41	1961	2
40 C (104 F): Days	14	6	1961	1
90 F (32.2 C): Days	39	71	1961	14
100 F (37.8 C): Days	35	20	1983	5
0 C (32 F): Ice days (max	39	52	1951	48
0 C (32 F): Frost days (min	35	234	1984	221
-10 C (14 F): Days with min	35	93	1955	90
-20 C (-4 F): Days with min	35	33	1972	27
-30 C (-22 F): Days with min	32	11	1950	5
-40 C (-40 F): Days with min	3	1	1939	1
20 C (68 F): Tropical nights (min	12	4	1940	1
10 mm (0.39 in): Days with 10 mm or more rain	46	18	1941	7
25 mm (0.98 in): Days with 25 mm or more rain	36	5	1944	5
50 mm (1.97 in): Days with 50 mm or more rain	8	2	1942	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1944	1
10 cm (3.9 in): Days with 10 cm or more snowfall	32	6	1955	6
25 cm (9.8 in): Days with 25 cm or more snowfall	7	1	1955	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

Download the Data

Data for Lame Deer 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).

Lame Deer Threshold Days by Year (USC00244839)

Key Facts for Lame Deer Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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