Heath Springs Threshold Days by Year (USC00384063)
15 fixed thresholds counted per year at Heath Springs (USC00384063): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Heath Springs Thresholds
- Heath Springs: days with a maximum temperature at or above 30 C (86 F) in 41 years, most in 1911 with 136.
- Heath Springs: days with a maximum temperature at or above 90 F (32.2 C) in 41 years, most in 1911 with 120.
- Heath Springs: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1929 with 54.
- Heath Springs: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1929 with 23.
- 15 fixed thresholds have at least one qualifying day at Heath Springs.
Days at or above 30 C (86 F)
41 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1902 | 102 | 100.8 |
| 1903 | 92 | 100.8 |
| 1904 | 91 | 100.8 |
| 1905 | 111 | 100.8 |
| 1907 | 103 | 100.8 |
| 1909 | 106 | 100.8 |
| 1910 | 109 | 91 |
| 1911 | 136 | 91 |
| 1912 | 82 | 91 |
| 1913 | 95 | 91 |
| 1914 | 83 | 91 |
| 1915 | 74 | 91 |
| 1916 | 67 | 91 |
| 1917 | 73 | 91 |
| 1918 | 81 | 91 |
| 1919 | 110 | 91 |
| 1920 | 81 | 82.7 |
| 1921 | 96 | 82.7 |
| 1922 | 74 | 82.7 |
| 1923 | 72 | 82.7 |
| 1924 | 76 | 82.7 |
| 1925 | 130 | 82.7 |
| 1926 | 92 | 82.7 |
| 1927 | 68 | 82.7 |
| 1929 | 55 | 82.7 |
| 1930 | 78 | 89.1 |
| 1931 | 88 | 89.1 |
| 1932 | 75 | 89.1 |
| 1933 | 100 | 89.1 |
| 1937 | 92 | 89.1 |
| 1938 | 99 | 89.1 |
| 1939 | 92 | 89.1 |
| 1940 | 88 | 93.3 |
| 1941 | 111 | 93.3 |
| 1942 | 95 | 93.3 |
| 1943 | 106 | 93.3 |
| 1944 | 98 | 93.3 |
| 1945 | 87 | 93.3 |
| 1946 | 69 | 93.3 |
| 1948 | 92 | 93.3 |
| 1950 | 101 | 101 |
| Year | First date | Last date |
|---|---|---|
| 1902 | 1902-04-30 | 1902-10-20 |
| 1903 | 1903-04-30 | 1903-09-17 |
| 1904 | 1904-05-14 | 1904-10-05 |
| 1905 | 1905-05-06 | 1905-10-03 |
| 1907 | 1907-03-20 | 1907-09-24 |
| 1909 | 1909-04-06 | 1909-09-23 |
| 1910 | 1910-04-01 | 1910-10-16 |
| 1911 | 1911-04-07 | 1911-10-04 |
| 1912 | 1912-05-25 | 1912-10-13 |
| 1913 | 1913-05-01 | 1913-10-03 |
| 1914 | 1914-04-27 | 1914-09-23 |
| 1915 | 1915-04-26 | 1915-09-21 |
| 1916 | 1916-04-13 | 1916-09-30 |
| 1917 | 1917-04-19 | 1917-09-21 |
| 1918 | 1918-05-05 | 1918-09-06 |
| 1919 | 1919-04-09 | 1919-10-28 |
| 1920 | 1920-04-22 | 1920-10-23 |
| 1921 | 1921-04-26 | 1921-10-01 |
| 1922 | 1922-04-14 | 1922-09-24 |
| 1923 | 1923-04-23 | 1923-09-20 |
| 1924 | 1924-05-05 | 1924-09-13 |
| 1925 | 1925-04-15 | 1925-10-18 |
| 1926 | 1926-05-01 | 1926-10-19 |
| 1927 | 1927-04-29 | 1927-10-04 |
| 1929 | 1929-03-24 | 1929-09-10 |
| 1930 | 1930-04-11 | 1930-09-26 |
| 1931 | 1931-05-03 | 1931-10-24 |
| 1932 | 1932-05-08 | 1932-09-23 |
| 1933 | 1933-05-07 | 1933-10-01 |
| 1937 | 1937-04-18 | 1937-10-07 |
| 1938 | 1938-04-29 | 1938-10-20 |
| 1939 | 1939-05-11 | 1939-10-27 |
| 1940 | 1940-05-07 | 1940-10-28 |
| 1941 | 1941-04-14 | 1941-10-23 |
| 1942 | 1942-04-18 | 1942-10-15 |
| 1943 | 1943-04-28 | 1943-10-21 |
| 1944 | 1944-05-14 | 1944-10-07 |
| 1945 | 1945-03-16 | 1945-09-29 |
| 1946 | 1946-04-03 | 1946-09-25 |
| 1948 | 1948-03-20 | 1948-09-22 |
| 1950 | 1950-04-24 | 1950-11-01 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 41 | 136 | 1911 | 101 |
| 35 C (95 F): Days | 40 | 57 | 1911 | 9 |
| 40 C (104 F): Days | 4 | 4 | 1902 | 1 |
| 90 F (32.2 C): Days | 41 | 120 | 1911 | 56 |
| 100 F (37.8 C): Days | 28 | 18 | 1902 | 3 |
| 0 C (32 F): Ice days (max | 15 | 7 | 1905 | 2 |
| 0 C (32 F): Frost days (min | 39 | 95 | 1912 | 44 |
| -10 C (14 F): Days with min | 18 | 6 | 1912 | 1 |
| 20 C (68 F): Tropical nights (min | 39 | 90 | 1911 | 49 |
| 25 C (77 F): Days with min | 12 | 8 | 1911 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 41 | 54 | 1929 | 31 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 41 | 23 | 1929 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 38 | 9 | 1922 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 10 | 1 | 1916 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 8 | 1 | 1902 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.
Download the Data
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 . Last revised (2025-12-31).