Aneth Plt Threshold Days by Year

15 fixed thresholds counted per year at Aneth Plt (USC00420157): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Aneth Plt Thresholds

Aneth Plt: nights with a minimum temperature at or below 0 C (32 F) in 25 years, most in 1966 with 153.
Aneth Plt: nights with a minimum temperature at or below -10 C (14 F) in 25 years, most in 1903 with 61.
Aneth Plt: nights with a minimum temperature at or above 20 C (68 F) in 25 years, most in 2007 with 37.
Aneth Plt: days with a maximum temperature at or above 30 C (86 F) in 23 years, most in 2007 with 125.
15 fixed thresholds have at least one qualifying day at Aneth Plt.

Days at or above 30 C (86 F)

23 years with a qualifying day

Days per year at Aneth Plt with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 125 in 2007.

Days at or above 30 C (86 F) per year at Aneth Plt
Year	Days	Decade average
1901	98	96.5
1902	106	96.5
1903	84	96.5
1905	98	96.5
1912	72	72
1966	111	98.5
1967	85	98.5
1968	96	98.5
1969	102	98.5
1970	94	104.9
1971	95	104.9
1972	107	104.9
1974	116	104.9
1975	85	104.9
1976	97	104.9
1977	112	104.9
1978	117	104.9
1979	121	104.9
1980	106	104.3
1981	100	104.3
1982	98	104.3
1983	113	104.3
2007	125	125

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

First to last qualifying date each year at Aneth Plt
Year	First date	Last date
1901	1901-05-01	1901-10-03
1902	1902-04-19	1902-09-25
1903	1903-05-14	1903-09-10
1905	1905-05-31	1905-09-23
1912	1912-05-17	1912-09-12
1966	1966-05-04	1966-10-14
1967	1967-05-17	1967-09-12
1968	1968-05-19	1968-09-11
1969	1969-04-21	1969-09-29
1970	1970-05-17	1970-09-11
1971	1971-05-03	1971-09-16
1972	1972-05-16	1972-09-19
1974	1974-05-08	1974-09-18
1975	1975-05-15	1975-09-19
1976	1976-05-14	1976-09-23
1977	1977-05-30	1977-10-05
1978	1978-05-13	1978-10-03
1979	1979-05-15	1979-10-11
1980	1980-05-21	1980-10-05
1981	1981-04-30	1981-09-29
1982	1982-05-23	1982-09-27
1983	1983-05-24	1983-09-26
2007	2007-04-30	2007-09-29

Every Fixed Threshold

Fixed thresholds at Aneth Plt
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	23	125	2007	125
35 C (95 F): Days	23	81	1974	75
40 C (104 F): Days	12	32	1974	8
90 F (32.2 C): Days	23	108	2007	108
100 F (37.8 C): Days	22	59	1974	40
110 F (43.3 C): Days	2	1	1972	1
0 C (32 F): Ice days (max	21	30	1974	1
0 C (32 F): Frost days (min	25	153	1966	88
-10 C (14 F): Days with min	25	61	1903	19
-20 C (-4 F): Days with min	9	7	1977	2
20 C (68 F): Tropical nights (min	25	37	2007	37
25 C (77 F): Days with min	7	7	1912	1
10 mm (0.39 in): Days with 10 mm or more rain	23	11	1969	8
25 mm (0.98 in): Days with 25 mm or more rain	8	4	1972	2
10 cm (3.9 in): Days with 10 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 1901.

Download the Data

Data for Aneth Plt 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).

Aneth Plt Threshold Days by Year

Key Facts for Aneth Plt Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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