Hays Threshold Days by Year (USC00244020)
15 fixed thresholds counted per year at Hays (USC00244020): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Hays Thresholds
- Hays: days with a maximum temperature at or above 30 C (86 F) in 19 years, most in 1961 with 44.
- Hays: days with a maximum temperature at or above 90 F (32.2 C) in 19 years, most in 1925 with 22.
- Hays: days with a maximum temperature at or below 0 C (32 F) in 19 years, most in 1955 with 76.
- Hays: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1927 with 19.
- 15 fixed thresholds have at least one qualifying day at Hays.
Days at or above 30 C (86 F)
19 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1925 | 39 | 26.7 |
| 1927 | 21 | 26.7 |
| 1928 | 20 | 26.7 |
| 1947 | 29 | 29 |
| 1949 | 29 | 29 |
| 1950 | 12 | 24.4 |
| 1952 | 20 | 24.4 |
| 1953 | 23 | 24.4 |
| 1954 | 22 | 24.4 |
| 1955 | 28 | 24.4 |
| 1956 | 30 | 24.4 |
| 1957 | 22 | 24.4 |
| 1958 | 35 | 24.4 |
| 1959 | 28 | 24.4 |
| 1960 | 33 | 26 |
| 1961 | 44 | 26 |
| 1962 | 6 | 26 |
| 1963 | 29 | 26 |
| 1964 | 18 | 26 |
| Year | First date | Last date |
|---|---|---|
| 1925 | 1925-05-28 | 1925-09-05 |
| 1927 | 1927-06-20 | 1927-09-10 |
| 1928 | 1928-05-05 | 1928-09-18 |
| 1947 | 1947-07-02 | 1947-09-04 |
| 1949 | 1949-05-10 | 1949-09-09 |
| 1950 | 1950-07-06 | 1950-09-04 |
| 1952 | 1952-06-05 | 1952-09-26 |
| 1953 | 1953-06-12 | 1953-09-12 |
| 1954 | 1954-06-22 | 1954-08-30 |
| 1955 | 1955-07-15 | 1955-09-14 |
| 1956 | 1956-06-04 | 1956-09-08 |
| 1957 | 1957-07-09 | 1957-10-01 |
| 1958 | 1958-05-20 | 1958-09-12 |
| 1959 | 1959-06-03 | 1959-09-13 |
| 1960 | 1960-05-12 | 1960-09-04 |
| 1961 | 1961-05-29 | 1961-09-16 |
| 1962 | 1962-06-26 | 1962-08-17 |
| 1963 | 1963-06-18 | 1963-09-30 |
| 1964 | 1964-05-20 | 1964-08-19 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 19 | 44 | 1961 | 18 |
| 35 C (95 F): Days | 16 | 7 | 1925 | 4 |
| 90 F (32.2 C): Days | 19 | 22 | 1925 | 8 |
| 100 F (37.8 C): Days | 5 | 2 | 1925 | 1 |
| 0 C (32 F): Ice days (max | 19 | 76 | 1955 | 39 |
| 0 C (32 F): Frost days (min | 17 | 198 | 1925 | 149 |
| -10 C (14 F): Days with min | 17 | 99 | 1955 | 40 |
| -20 C (-4 F): Days with min | 17 | 45 | 1949 | 8 |
| -30 C (-22 F): Days with min | 14 | 16 | 1950 | 7 |
| 20 C (68 F): Tropical nights (min | 10 | 5 | 1960 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 18 | 19 | 1927 | 15 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 12 | 5 | 1953 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 3 | 2 | 1925 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 10 | 5 | 1950 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1964 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1925.
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).