Watauga Dam Threshold Days by Year

14 fixed thresholds counted per year at Watauga Dam (USC00409455): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Watauga Dam Thresholds

Watauga Dam: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1974 with 59.
Watauga Dam: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1966 with 20.
Watauga Dam: nights with a minimum temperature at or below 0 C (32 F) in 31 years, most in 1981 with 137.
Watauga Dam: nights with a minimum temperature at or below -10 C (14 F) in 30 years, most in 1977 with 41.
14 fixed thresholds have at least one qualifying day at Watauga Dam.

Days at or above 30 C (86 F)

29 years with a qualifying day

Days per year at Watauga Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 70 in 1980.

Days at or above 30 C (86 F) per year at Watauga Dam
Year	Days	Decade average
1950	32	49
1951	48	49
1952	69	49
1955	54	49
1956	52	49
1958	28	49
1959	60	49
1960	49	42.9
1961	41	42.9
1962	62	42.9
1963	9	42.9
1964	62	42.9
1965	46	42.9
1966	39	42.9
1967	16	42.9
1968	46	42.9
1969	59	42.9
1970	66	39.7
1971	33	39.7
1972	28	39.7
1973	53	39.7
1974	25	39.7
1975	43	39.7
1976	27	39.7
1977	57	39.7
1978	45	39.7
1979	20	39.7
1980	70	36
1981	2	36

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

First to last qualifying date each year at Watauga Dam
Year	First date	Last date
1950	1950-04-30	1950-09-14
1951	1951-05-18	1951-09-13
1952	1952-04-23	1952-09-15
1955	1955-05-05	1955-09-24
1956	1956-05-13	1956-09-24
1958	1958-05-18	1958-09-06
1959	1959-05-03	1959-09-29
1960	1960-04-24	1960-09-22
1961	1961-06-03	1961-09-26
1962	1962-05-02	1962-09-15
1963	1963-05-10	1963-09-04
1964	1964-05-09	1964-09-12
1965	1965-04-12	1965-09-23
1966	1966-06-10	1966-09-04
1967	1967-05-28	1967-09-21
1968	1968-05-25	1968-09-25
1969	1969-05-08	1969-09-08
1970	1970-05-01	1970-10-07
1971	1971-05-19	1971-09-16
1972	1972-06-06	1972-09-15
1973	1973-06-04	1973-09-25
1974	1974-05-15	1974-08-30
1975	1975-05-26	1975-09-06
1976	1976-04-20	1976-09-10
1977	1977-05-17	1977-09-07
1978	1978-05-27	1978-09-23
1979	1979-05-12	1979-09-03
1980	1980-04-24	1980-09-25
1981	1981-04-14	1981-07-12

Every Fixed Threshold

Fixed thresholds at Watauga Dam
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	29	70	1980	2
35 C (95 F): Days	7	10	1952	4
90 F (32.2 C): Days	26	47	1952	33
100 F (37.8 C): Days	1	2	1952	2
0 C (32 F): Ice days (max	29	27	1977	16
0 C (32 F): Frost days (min	31	137	1981	137
-10 C (14 F): Days with min	30	41	1977	28
-20 C (-4 F): Days with min	8	3	1966	1
20 C (68 F): Tropical nights (min	19	19	1968	1
10 mm (0.39 in): Days with 10 mm or more rain	32	59	1974	48
25 mm (0.98 in): Days with 25 mm or more rain	32	20	1966	15
50 mm (1.97 in): Days with 50 mm or more rain	22	4	1963	1
10 cm (3.9 in): Days with 10 cm or more snowfall	18	6	1962	1
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1966	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

Download the Data

Data for Watauga Dam 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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

Watauga Dam Threshold Days by Year

Key Facts for Watauga Dam Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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