Medora Threshold Days by Year (USC00325803)

18 fixed thresholds counted per year at Medora (USC00325803): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Medora Thresholds

Medora: days with 10 mm (0.39 in) or more of precipitation in 19 years, most in 1944 with 19.
Medora: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1909 with 11.
Medora: days with a maximum temperature at or above 30 C (86 F) in 14 years, most in 1897 with 80.
Medora: days with a maximum temperature at or above 35 C (95 F) in 14 years, most in 1898 with 39.
18 fixed thresholds have at least one qualifying day at Medora.

Days at or above 30 C (86 F)

14 years with a qualifying day

Days per year at Medora with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 80 in 1897.

Days at or above 30 C (86 F) per year at Medora
Year	Days	Decade average
1896	58	69.7
1897	80	69.7
1898	71	69.7
1900	69	51.4
1901	64	51.4
1902	31	51.4
1908	37	51.4
1909	56	51.4
1910	77	74
1911	71	74
1944	39	44.8
1945	43	44.8
1946	57	44.8
1947	40	44.8

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

First to last qualifying date each year at Medora
Year	First date	Last date
1896	1896-04-26	1896-10-01
1897	1897-04-17	1897-10-05
1898	1898-05-15	1898-09-27
1900	1900-04-20	1900-09-11
1901	1901-04-29	1901-09-03
1902	1902-05-29	1902-09-08
1908	1908-04-20	1908-09-21
1909	1909-06-03	1909-10-05
1910	1910-03-22	1910-10-13
1911	1911-05-07	1911-10-14
1944	1944-05-13	1944-09-07
1945	1945-06-21	1945-10-16
1946	1946-05-27	1946-10-01
1947	1947-04-28	1947-09-23

Every Fixed Threshold

Fixed thresholds at Medora
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	14	80	1897	40
35 C (95 F): Days	14	39	1898	10
40 C (104 F): Days	11	10	1897	1
45 C (113 F): Days	2	1	1900	1
90 F (32.2 C): Days	14	56	1898	25
100 F (37.8 C): Days	12	13	1897	5
110 F (43.3 C): Days	2	2	1910	2
0 C (32 F): Ice days (max	14	78	1897	70
0 C (32 F): Frost days (min	10	223	1909	198
-10 C (14 F): Days with min	10	127	1911	76
-20 C (-4 F): Days with min	10	65	1911	33
-30 C (-22 F): Days with min	10	15	1911	4
-40 C (-40 F): Days with min	2	3	1910	3
20 C (68 F): Tropical nights (min	5	8	1900	2
25 C (77 F): Days with min	1	2	1900	2
10 mm (0.39 in): Days with 10 mm or more rain	19	19	1944	10
25 mm (0.98 in): Days with 25 mm or more rain	17	11	1909	1
50 mm (1.97 in): Days with 50 mm or more rain	7	2	1909	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

Data for Medora 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).

Medora Threshold Days by Year (USC00325803)

Key Facts for Medora Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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