Lansdowne House Threshold Days by Year (CA006014350)
16 fixed thresholds counted per year at Lansdowne House (CA006014350): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Lansdowne House Thresholds
- Lansdowne House: days with a maximum temperature at or below 0 C (32 F) in 40 years, most in 1959 with 167.
- Lansdowne House: nights with a minimum temperature at or below 0 C (32 F) in 40 years, most in 1967 with 231.
- Lansdowne House: nights with a minimum temperature at or below -10 C (14 F) in 40 years, most in 1956 with 163.
- Lansdowne House: nights with a minimum temperature at or below -20 C (-4 F) in 40 years, most in 1972 with 118.
- 16 fixed thresholds have at least one qualifying day at Lansdowne House.
Days at or above 30 C (86 F)
32 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1942 | 1 | 3.2 |
| 1943 | 3 | 3.2 |
| 1944 | 1 | 3.2 |
| 1947 | 8 | 3.2 |
| 1948 | 3 | 3.2 |
| 1949 | 3 | 3.2 |
| 1950 | 1 | 2.9 |
| 1951 | 1 | 2.9 |
| 1952 | 2 | 2.9 |
| 1953 | 3 | 2.9 |
| 1955 | 12 | 2.9 |
| 1956 | 2 | 2.9 |
| 1957 | 1 | 2.9 |
| 1959 | 1 | 2.9 |
| 1961 | 1 | 2.2 |
| 1962 | 2 | 2.2 |
| 1963 | 5 | 2.2 |
| 1964 | 3 | 2.2 |
| 1965 | 1 | 2.2 |
| 1969 | 1 | 2.2 |
| 1970 | 2 | 3.4 |
| 1972 | 5 | 3.4 |
| 1974 | 4 | 3.4 |
| 1975 | 7 | 3.4 |
| 1976 | 5 | 3.4 |
| 1977 | 1 | 3.4 |
| 1978 | 1 | 3.4 |
| 1979 | 2 | 3.4 |
| 1980 | 1 | 2.3 |
| 1981 | 3 | 2.3 |
| 1982 | 1 | 2.3 |
| 1983 | 4 | 2.3 |
| Year | First date | Last date |
|---|---|---|
| 1942 | 1942-06-09 | 1942-06-09 |
| 1943 | 1943-07-10 | 1943-07-12 |
| 1944 | 1944-05-30 | 1944-05-30 |
| 1947 | 1947-07-08 | 1947-08-22 |
| 1948 | 1948-06-01 | 1948-07-09 |
| 1949 | 1949-06-30 | 1949-08-07 |
| 1950 | 1950-08-05 | 1950-08-05 |
| 1951 | 1951-05-24 | 1951-05-24 |
| 1952 | 1952-07-05 | 1952-08-26 |
| 1953 | 1953-07-16 | 1953-08-27 |
| 1955 | 1955-06-16 | 1955-08-13 |
| 1956 | 1956-06-11 | 1956-06-12 |
| 1957 | 1957-07-26 | 1957-07-26 |
| 1959 | 1959-07-29 | 1959-07-29 |
| 1961 | 1961-08-17 | 1961-08-17 |
| 1962 | 1962-06-27 | 1962-06-28 |
| 1963 | 1963-06-23 | 1963-07-25 |
| 1964 | 1964-06-29 | 1964-07-23 |
| 1965 | 1965-08-13 | 1965-08-13 |
| 1969 | 1969-08-22 | 1969-08-22 |
| 1970 | 1970-06-08 | 1970-08-09 |
| 1972 | 1972-05-25 | 1972-08-30 |
| 1974 | 1974-06-26 | 1974-07-12 |
| 1975 | 1975-06-26 | 1975-08-01 |
| 1976 | 1976-06-04 | 1976-07-19 |
| 1977 | 1977-05-26 | 1977-05-26 |
| 1978 | 1978-07-17 | 1978-07-17 |
| 1979 | 1979-07-06 | 1979-07-09 |
| 1980 | 1980-08-20 | 1980-08-20 |
| 1981 | 1981-07-07 | 1981-07-18 |
| 1982 | 1982-05-28 | 1982-05-28 |
| 1983 | 1983-06-11 | 1983-07-26 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 32 | 12 | 1955 | 4 |
| 35 C (95 F): Days | 4 | 1 | 1949 | 1 |
| 90 F (32.2 C): Days | 15 | 4 | 1947 | 3 |
| 0 C (32 F): Ice days (max | 40 | 167 | 1959 | 142 |
| 0 C (32 F): Frost days (min | 40 | 231 | 1967 | 217 |
| -10 C (14 F): Days with min | 40 | 163 | 1956 | 138 |
| -20 C (-4 F): Days with min | 40 | 118 | 1972 | 88 |
| -30 C (-22 F): Days with min | 40 | 66 | 1972 | 34 |
| -40 C (-40 F): Days with min | 32 | 9 | 1968 | 2 |
| 20 C (68 F): Tropical nights (min | 7 | 3 | 1955 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 40 | 34 | 1959 | 15 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 37 | 8 | 1974 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 5 | 2 | 1969 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1974 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 40 | 11 | 1961 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 13 | 3 | 1969 | 3 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.
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 (2026-10-17).