New Denver Threshold Days by Year (CA001145460)

13 fixed thresholds counted per year at New Denver (CA001145460): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for New Denver Thresholds

New Denver: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1972 with 39.
New Denver: days with 10 cm (3.9 in) or more of snowfall in 54 years, most in 1972 with 13.
New Denver: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1972 with 6.
New Denver: days with 25 cm (9.8 in) or more of snowfall in 25 years, most in 1936 with 3.
13 fixed thresholds have at least one qualifying day at New Denver.

Days at or above 30 C (86 F)

16 years with a qualifying day

Days per year at New Denver with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 36 in 1971.

Days at or above 30 C (86 F) per year at New Denver
Year	Days	Decade average
1968	13	17
1969	21	17
1970	30	22.6
1971	36	22.6
1972	16	22.6
1973	30	22.6
1974	29	22.6
1975	11	22.6
1976	7	22.6
1977	23	22.6
1978	22	22.6
1979	22	22.6
1980	6	10.5
1981	14	10.5
1982	12	10.5
1983	10	10.5

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

First to last qualifying date each year at New Denver
Year	First date	Last date
1968	1968-06-25	1968-08-01
1969	1969-05-23	1969-08-24
1970	1970-06-02	1970-08-25
1971	1971-07-15	1971-08-29
1972	1972-05-30	1972-08-29
1973	1973-06-22	1973-09-11
1974	1974-06-13	1974-08-30
1975	1975-07-04	1975-08-14
1976	1976-06-29	1976-07-25
1977	1977-06-07	1977-08-21
1978	1978-06-02	1978-08-09
1979	1979-06-28	1979-08-29
1980	1980-07-21	1980-07-31
1981	1981-07-03	1981-08-26
1982	1982-06-12	1982-08-07
1983	1983-05-29	1983-08-09

Every Fixed Threshold

Fixed thresholds at New Denver
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	16	36	1971	10
35 C (95 F): Days	6	5	1971	1
90 F (32.2 C): Days	14	22	1971	1
0 C (32 F): Ice days (max	16	53	1975	35
0 C (32 F): Frost days (min	16	163	1978	102
-10 C (14 F): Days with min	16	39	1979	14
-20 C (-4 F): Days with min	8	4	1968	2
10 mm (0.39 in): Days with 10 mm or more rain	56	39	1972	26
25 mm (0.98 in): Days with 25 mm or more rain	47	6	1972	1
50 mm (1.97 in): Days with 50 mm or more rain	2	2	1971	2
10 cm (3.9 in): Days with 10 cm or more snowfall	54	13	1972	6
25 cm (9.8 in): Days with 25 cm or more snowfall	25	3	1936	2
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1971	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

Data for New Denver 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

New Denver Threshold Days by Year (CA001145460)

Key Facts for New Denver Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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