Rosebud Threshold Days by Year (USC00397287)

16 fixed thresholds counted per year at Rosebud (USC00397287): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rosebud Thresholds

Rosebud: days with 10 mm (0.39 in) or more of precipitation in 19 years, most in 1914 with 19.
Rosebud: days with 25 mm (0.98 in) or more of precipitation in 18 years, most in 1921 with 8.
Rosebud: nights with a minimum temperature at or below 0 C (32 F) in 14 years, most in 1921 with 183.
Rosebud: nights with a minimum temperature at or below -10 C (14 F) in 14 years, most in 1916 with 76.
16 fixed thresholds have at least one qualifying day at Rosebud.

Days at or above 30 C (86 F)

13 years with a qualifying day

Days per year at Rosebud with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 100 in 1900.

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

First to last qualifying date each year at Rosebud
Year	First date	Last date
1900	1900-05-11	1900-10-05
1902	1902-04-20	1902-09-25
1911	1911-05-08	1911-09-22
1912	1912-05-30	1912-10-04
1913	1913-05-27	1913-09-14
1914	1914-05-24	1914-10-02
1916	1916-05-05	1916-09-19
1917	1917-06-09	1917-09-23
1921	1921-04-11	1921-09-28
1923	1923-04-18	1923-09-15
1924	1924-04-23	1924-10-01
1925	1925-05-19	1925-09-25
1929	1929-05-23	1929-08-31

Every Fixed Threshold

Fixed thresholds at Rosebud
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	13	100	1900	57
35 C (95 F): Days	13	22	1925	18
40 C (104 F): Days	5	2	1902	2
90 F (32.2 C): Days	13	69	1900	39
100 F (37.8 C): Days	9	9	1929	9
0 C (32 F): Ice days (max	13	62	1924	57
0 C (32 F): Frost days (min	14	183	1921	157
-10 C (14 F): Days with min	14	76	1916	73
-20 C (-4 F): Days with min	14	37	1916	20
-30 C (-22 F): Days with min	10	7	1917	3
20 C (68 F): Tropical nights (min	12	9	1929	9
25 C (77 F): Days with min	2	1	1902	1
10 mm (0.39 in): Days with 10 mm or more rain	19	19	1914	12
25 mm (0.98 in): Days with 25 mm or more rain	18	8	1921	1
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1921	1
10 cm (3.9 in): Days with 10 cm or more snowfall	6	3	1902	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

Data for Rosebud 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).

Year	Days	Decade average
1900	100	75.5
1902	51	75.5
1911	56	50.2
1912	40	50.2
1913	66	50.2
1914	48	50.2
1916	49	50.2
1917	42	50.2
1921	52	51
1923	33	51
1924	45	51
1925	68	51
1929	57	51

Rosebud Threshold Days by Year (USC00397287)

Key Facts for Rosebud Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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