Hilliard Threshold Days by Year (USC00083978)
13 fixed thresholds counted per year at Hilliard (USC00083978): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Hilliard Thresholds
- Hilliard: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 1954 with 38.
- Hilliard: nights with a minimum temperature at or above 20 C (68 F) in 32 years, most in 1919 with 133.
- Hilliard: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1925 with 157.
- Hilliard: days with a maximum temperature at or above 35 C (95 F) in 30 years, most in 1954 with 56.
- 13 fixed thresholds have at least one qualifying day at Hilliard.
Days at or above 30 C (86 F)
30 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1909 | 136 | 136 |
| 1910 | 141 | 140.3 |
| 1911 | 156 | 140.3 |
| 1912 | 133 | 140.3 |
| 1913 | 129 | 140.3 |
| 1914 | 137 | 140.3 |
| 1916 | 142 | 140.3 |
| 1917 | 144 | 140.3 |
| 1918 | 132 | 140.3 |
| 1919 | 149 | 140.3 |
| 1920 | 117 | 137.4 |
| 1921 | 142 | 137.4 |
| 1922 | 126 | 137.4 |
| 1924 | 126 | 137.4 |
| 1925 | 157 | 137.4 |
| 1926 | 135 | 137.4 |
| 1927 | 146 | 137.4 |
| 1929 | 150 | 137.4 |
| 1932 | 139 | 139 |
| 1942 | 136 | 135 |
| 1946 | 134 | 135 |
| 1947 | 149 | 135 |
| 1948 | 124 | 135 |
| 1949 | 132 | 135 |
| 1950 | 134 | 135.2 |
| 1951 | 136 | 135.2 |
| 1952 | 126 | 135.2 |
| 1953 | 127 | 135.2 |
| 1954 | 146 | 135.2 |
| 1955 | 142 | 135.2 |
| Year | First date | Last date |
|---|---|---|
| 1909 | 1909-03-09 | 1909-10-26 |
| 1910 | 1910-03-08 | 1910-10-23 |
| 1911 | 1911-03-12 | 1911-11-10 |
| 1912 | 1912-02-25 | 1912-10-14 |
| 1913 | 1913-04-19 | 1913-10-13 |
| 1914 | 1914-04-27 | 1914-10-14 |
| 1916 | 1916-03-25 | 1916-11-11 |
| 1917 | 1917-02-28 | 1917-10-30 |
| 1918 | 1918-02-16 | 1918-10-30 |
| 1919 | 1919-03-06 | 1919-11-11 |
| 1920 | 1920-03-30 | 1920-11-09 |
| 1921 | 1921-03-08 | 1921-11-19 |
| 1922 | 1922-04-09 | 1922-12-13 |
| 1924 | 1924-03-29 | 1924-10-05 |
| 1925 | 1925-03-10 | 1925-10-25 |
| 1926 | 1926-04-23 | 1926-10-24 |
| 1927 | 1927-03-18 | 1927-12-12 |
| 1929 | 1929-02-28 | 1929-11-16 |
| 1932 | 1932-02-12 | 1932-10-24 |
| 1942 | 1942-03-15 | 1942-11-10 |
| 1946 | 1946-03-07 | 1946-11-11 |
| 1947 | 1947-04-03 | 1947-10-28 |
| 1948 | 1948-03-20 | 1948-11-05 |
| 1949 | 1949-03-24 | 1949-10-30 |
| 1950 | 1950-03-27 | 1950-11-03 |
| 1951 | 1951-04-30 | 1951-10-07 |
| 1952 | 1952-03-21 | 1952-10-16 |
| 1953 | 1953-03-31 | 1953-09-30 |
| 1954 | 1954-03-13 | 1954-10-13 |
| 1955 | 1955-03-12 | 1955-10-08 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 30 | 157 | 1925 | 142 |
| 35 C (95 F): Days | 30 | 56 | 1954 | 15 |
| 40 C (104 F): Days | 3 | 1 | 1914 | 1 |
| 90 F (32.2 C): Days | 30 | 111 | 1911 | 83 |
| 100 F (37.8 C): Days | 13 | 16 | 1954 | 16 |
| 0 C (32 F): Frost days (min | 32 | 38 | 1954 | 34 |
| 20 C (68 F): Tropical nights (min | 32 | 133 | 1919 | 74 |
| 25 C (77 F): Days with min | 14 | 6 | 1925 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 30 | 56 | 1947 | 47 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 30 | 26 | 1947 | 12 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 29 | 9 | 1947 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 12 | 2 | 1911 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 1911 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.
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).