Hyden Threshold Days by Year (USC00154093)

14 fixed thresholds counted per year at Hyden (USC00154093): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hyden Thresholds

Hyden: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1994 with 54.
Hyden: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 1950 with 19.
Hyden: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1973 with 5.
Hyden: days with a maximum temperature at or above 30 C (86 F) in 21 years, most in 1962 with 87.
14 fixed thresholds have at least one qualifying day at Hyden.

Days at or above 30 C (86 F)

21 years with a qualifying day

Days per year at Hyden with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 87 in 1962.

Days at or above 30 C (86 F) per year at Hyden
Year	Days	Decade average
1962	87	67.1
1963	49	67.1
1964	79	67.1
1965	70	67.1
1966	63	67.1
1967	47	67.1
1968	69	67.1
1969	73	67.1
1970	58	45.9
1971	35	45.9
1972	31	45.9
1973	44	45.9
1975	56	45.9
1976	37	45.9
1977	60	45.9
1991	48	44.7
1992	22	44.7
1993	60	44.7
1994	37	44.7
1995	65	44.7
1996	36	44.7

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

First to last qualifying date each year at Hyden
Year	First date	Last date
1962	1962-05-01	1962-10-13
1963	1963-04-02	1963-09-13
1964	1964-04-21	1964-09-17
1965	1965-04-12	1965-09-23
1966	1966-05-09	1966-09-05
1967	1967-04-07	1967-09-21
1968	1968-04-22	1968-09-25
1969	1969-04-18	1969-10-14
1970	1970-04-20	1970-09-26
1971	1971-05-19	1971-10-01
1972	1972-06-09	1972-09-20
1973	1973-06-04	1973-09-28
1975	1975-05-22	1975-09-11
1976	1976-04-19	1976-08-27
1977	1977-04-19	1977-09-09
1991	1991-05-15	1991-09-18
1992	1992-05-18	1992-09-10
1993	1993-05-09	1993-09-15
1994	1994-04-20	1994-09-17
1995	1995-04-11	1995-09-09
1996	1996-04-30	1996-08-24

Every Fixed Threshold

Fixed thresholds at Hyden
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	21	87	1962	36
35 C (95 F): Days	8	6	1966	4
90 F (32.2 C): Days	21	36	1995	8
0 C (32 F): Ice days (max	21	29	1977	19
0 C (32 F): Frost days (min	15	135	1969	110
-10 C (14 F): Days with min	15	38	1963	38
-20 C (-4 F): Days with min	9	8	1970	4
20 C (68 F): Tropical nights (min	13	14	1977	14
10 mm (0.39 in): Days with 10 mm or more rain	38	54	1994	52
25 mm (0.98 in): Days with 25 mm or more rain	38	19	1950	17
50 mm (1.97 in): Days with 50 mm or more rain	30	5	1973	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1946	1
10 cm (3.9 in): Days with 10 cm or more snowfall	15	3	1966	3
25 cm (9.8 in): Days with 25 cm or more snowfall	2	2	1996	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

Data for Hyden 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).

Hyden Threshold Days by Year (USC00154093)

Key Facts for Hyden Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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