Lake Lynn Threshold Days by Year

20 fixed thresholds counted per year at Lake Lynn (USC00465002): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lake Lynn Thresholds

Lake Lynn: days with 10 mm (0.39 in) or more of precipitation in 87 years, most in 2011 with 59.
Lake Lynn: days with 25 mm (0.98 in) or more of precipitation in 87 years, most in 2000 with 17.
Lake Lynn: days with 50 mm (1.97 in) or more of precipitation in 34 years, most in 1956 with 4.
Lake Lynn: days with 10 cm (3.9 in) or more of snowfall in 31 years, most in 2001 with 5.
20 fixed thresholds have at least one qualifying day at Lake Lynn.

Days at or above 30 C (86 F)

12 years with a qualifying day

Days per year at Lake Lynn with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 114 in 1936.

Days at or above 30 C (86 F) per year at Lake Lynn
Year	Days	Decade average
1930	107	100.4
1931	102	100.4
1932	95	100.4
1933	95	100.4
1934	108	100.4
1935	89	100.4
1936	114	100.4
1937	93	100.4
2011	58	43.3
2014	29	43.3
2016	49	43.3
2017	37	43.3

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

First to last qualifying date each year at Lake Lynn
Year	First date	Last date
1930	1930-04-11	1930-10-14
1931	1931-04-17	1931-10-07
1932	1932-05-05	1932-09-15
1933	1933-04-10	1933-09-26
1934	1934-05-04	1934-09-26
1935	1935-04-26	1935-09-21
1936	1936-04-29	1936-09-23
1937	1937-05-02	1937-10-05
2011	2011-05-23	2011-09-27
2014	2014-05-14	2014-09-05
2016	2016-05-28	2016-09-18
2017	2017-05-01	2017-09-26

Every Fixed Threshold

Fixed thresholds at Lake Lynn
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	12	114	1936	37
35 C (95 F): Days	11	62	1931	3
40 C (104 F): Days	7	25	1931	5
45 C (113 F): Days	1	1	1931	1
90 F (32.2 C): Days	12	92	1936	12
100 F (37.8 C): Days	9	42	1934	1
110 F (43.3 C): Days	4	8	1931	1
0 C (32 F): Ice days (max	12	34	2014	18
0 C (32 F): Frost days (min	12	124	1930	88
-10 C (14 F): Days with min	12	30	2014	6
-20 C (-4 F): Days with min	3	9	1936	4
20 C (68 F): Tropical nights (min	12	48	1934	6
25 C (77 F): Days with min	1	1	1932	1
10 mm (0.39 in): Days with 10 mm or more rain	87	59	2011	48
25 mm (0.98 in): Days with 25 mm or more rain	87	17	2000	7
50 mm (1.97 in): Days with 50 mm or more rain	34	4	1956	2
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1954	1
10 cm (3.9 in): Days with 10 cm or more snowfall	31	5	2001	1
25 cm (9.8 in): Days with 25 cm or more snowfall	7	2	1994	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	2003	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1930.

Download the Data

Data for Lake Lynn 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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

Lake Lynn Threshold Days by Year

Key Facts for Lake Lynn Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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