Lonesome Lake Threshold Days by Year (USC00245177)

18 fixed thresholds counted per year at Lonesome Lake (USC00245177): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lonesome Lake Thresholds

Lonesome Lake: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1954 with 13.
Lonesome Lake: nights with a minimum temperature at or below 0 C (32 F) in 25 years, most in 1949 with 208.
Lonesome Lake: nights with a minimum temperature at or below -10 C (14 F) in 25 years, most in 1951 with 114.
Lonesome Lake: nights with a minimum temperature at or below -20 C (-4 F) in 25 years, most in 1951 with 61.
18 fixed thresholds have at least one qualifying day at Lonesome Lake.

Days at or above 30 C (86 F)

24 years with a qualifying day

Days per year at Lonesome Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 66 in 1961.

Days at or above 30 C (86 F) per year at Lonesome Lake
Year	Days	Decade average
1949	52	52
1951	28	38
1953	39	38
1954	33	38
1956	38	38
1957	45	38
1958	40	38
1959	43	38
1960	47	48
1961	66	48
1962	43	48
1965	24	48
1966	53	48
1967	64	48
1968	33	48
1969	54	48
1970	56	41.3
1971	57	41.3
1972	42	41.3
1974	40	41.3
1975	26	41.3
1976	45	41.3
1977	30	41.3
1979	34	41.3

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

First to last qualifying date each year at Lonesome Lake
Year	First date	Last date
1949	1949-05-10	1949-09-23
1951	1951-05-22	1951-08-22
1953	1953-05-06	1953-09-13
1954	1954-05-26	1954-09-02
1956	1956-05-19	1956-09-26
1957	1957-05-02	1957-10-01
1958	1958-05-11	1958-10-18
1959	1959-06-03	1959-09-14
1960	1960-05-11	1960-10-06
1961	1961-05-25	1961-10-15
1962	1962-04-19	1962-09-27
1965	1965-06-11	1965-08-19
1966	1966-05-03	1966-09-22
1967	1967-05-28	1967-09-29
1968	1968-04-30	1968-09-11
1969	1969-05-24	1969-09-18
1970	1970-06-02	1970-10-04
1971	1971-05-26	1971-10-09
1972	1972-05-31	1972-09-08
1974	1974-04-25	1974-09-25
1975	1975-06-24	1975-09-15
1976	1976-06-30	1976-09-29
1977	1977-06-01	1977-09-04
1979	1979-07-05	1979-09-21

Every Fixed Threshold

Fixed thresholds at Lonesome Lake
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	24	66	1961	34
35 C (95 F): Days	24	24	1971	4
40 C (104 F): Days	9	2	1960	1
90 F (32.2 C): Days	24	44	1961	15
100 F (37.8 C): Days	17	10	1971	1
110 F (43.3 C): Days	1	1	1961	1
0 C (32 F): Ice days (max	24	87	1951	59
0 C (32 F): Frost days (min	25	208	1949	186
-10 C (14 F): Days with min	25	114	1951	85
-20 C (-4 F): Days with min	25	61	1951	45
-30 C (-22 F): Days with min	24	19	1949	15
-40 C (-40 F): Days with min	10	4	1969	1
20 C (68 F): Tropical nights (min	7	1	1949	1
10 mm (0.39 in): Days with 10 mm or more rain	30	13	1954	6
25 mm (0.98 in): Days with 25 mm or more rain	18	3	1974	2
50 mm (1.97 in): Days with 50 mm or more rain	3	1	1961	1
10 cm (3.9 in): Days with 10 cm or more snowfall	18	4	1958	2
25 cm (9.8 in): Days with 25 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 1949.

Download the Data

Data for Lonesome Lake 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).

Lonesome Lake Threshold Days by Year (USC00245177)

Key Facts for Lonesome Lake Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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