Dierks Threshold Days by Year

18 fixed thresholds counted per year at Dierks (USC00032015): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dierks Thresholds

Dierks: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1991 with 57.
Dierks: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1968 with 26.
Dierks: days with 50 mm (1.97 in) or more of precipitation in 52 years, most in 1974 with 11.
Dierks: days with 100 mm (3.94 in) or more of precipitation in 19 years, most in 1983 with 3.
18 fixed thresholds have at least one qualifying day at Dierks.

Days at or above 30 C (86 F)

13 years with a qualifying day

Days per year at Dierks with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 149 in 1963.

Days at or above 30 C (86 F) per year at Dierks
Year	Days	Decade average
1960	125	118.5
1961	93	118.5
1962	130	118.5
1963	149	118.5
1964	109	118.5
1965	119	118.5
1966	108	118.5
1967	115	118.5
1968	112	118.5
1969	125	118.5
1970	117	116
1971	105	116
1972	126	116

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

First to last qualifying date each year at Dierks
Year	First date	Last date
1960	1960-04-06	1960-10-13
1961	1961-04-25	1961-10-13
1962	1962-04-29	1962-10-14
1963	1963-03-28	1963-10-27
1964	1964-04-23	1964-09-22
1965	1965-04-08	1965-10-17
1966	1966-03-31	1966-10-09
1967	1967-03-11	1967-10-14
1968	1968-05-02	1968-10-30
1969	1969-05-06	1969-10-20
1970	1970-05-05	1970-10-03
1971	1971-04-27	1971-10-03
1972	1972-04-13	1972-10-19

Every Fixed Threshold

Fixed thresholds at Dierks
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	13	149	1963	126
35 C (95 F): Days	13	58	1963	32
40 C (104 F): Days	3	4	1964	1
90 F (32.2 C): Days	13	103	1963	93
100 F (37.8 C): Days	10	21	1964	3
0 C (32 F): Ice days (max	10	9	1963	1
0 C (32 F): Frost days (min	13	93	1968	90
-10 C (14 F): Days with min	13	20	1963	7
-20 C (-4 F): Days with min	1	3	1962	3
20 C (68 F): Tropical nights (min	13	49	1962	32
25 C (77 F): Days with min	2	2	1969	2
10 mm (0.39 in): Days with 10 mm or more rain	52	57	1991	20
25 mm (0.98 in): Days with 25 mm or more rain	52	26	1968	10
50 mm (1.97 in): Days with 50 mm or more rain	52	11	1974	1
100 mm (3.94 in): Days with 100 mm or more rain	19	3	1983	1
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1961	1
10 cm (3.9 in): Days with 10 cm or more snowfall	10	1	1966	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	2000	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

Data for Dierks 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).

Dierks Threshold Days by Year

Key Facts for Dierks Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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