Waller Threshold Days by Year (USC00419448)

6 fixed thresholds counted per year at Waller (USC00419448): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Waller Thresholds

Waller: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1973 with 48.
Waller: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1973 with 25.
Waller: days with 50 mm (1.97 in) or more of precipitation in 49 years, most in 1960 with 9.
Waller: days with 100 mm (3.94 in) or more of precipitation in 19 years, most in 1979 with 4.
6 fixed thresholds have at least one qualifying day at Waller.

Days with 10 mm (0.39 in) or more of precipitation

51 years with a qualifying day

Days per year at Waller with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1973.

Days with 10 mm (0.39 in) or more of precipitation per year at Waller
Year	Days	Decade average
1944	33	31.8
1945	24	31.8
1946	43	31.8
1948	22	31.8
1949	37	31.8
1950	28	28.1
1951	31	28.1
1952	25	28.1
1953	31	28.1
1954	16	28.1
1955	24	28.1
1956	22	28.1
1957	41	28.1
1958	23	28.1
1959	40	28.1
1960	40	29.4
1961	34	29.4
1962	25	29.4
1963	18	29.4
1964	25	29.4
1965	33	29.4
1966	34	29.4
1967	22	29.4
1968	37	29.4
1969	26	29.4
1970	33	34.2
1971	28	34.2
1972	30	34.2
1973	48	34.2
1974	32	34.2
1975	41	34.2
1976	33	34.2
1977	27	34.2
1978	27	34.2
1979	43	34.2
1980	30	31.1
1981	29	31.1
1982	29	31.1
1983	37	31.1
1984	34	31.1
1985	36	31.1
1986	38	31.1
1987	35	31.1
1988	19	31.1
1989	24	31.1
1990	29	32
1991	37	32
1992	41	32
1993	29	32
1994	26	32
1996	30	32

For each year, a bar from the first to the last day at Waller meeting 10 mm (0.39 in).

First to last qualifying date each year at Waller
Year	First date	Last date
1944	1944-01-01	1944-12-31
1945	1945-01-03	1945-12-24
1946	1946-01-05	1946-12-31
1948	1948-01-16	1948-11-16
1949	1949-01-17	1949-12-25
1950	1950-01-01	1950-12-16
1951	1951-01-01	1951-12-25
1952	1952-01-28	1952-12-30
1953	1953-02-01	1953-12-28
1954	1954-01-10	1954-12-27
1955	1955-01-01	1955-11-19
1956	1956-01-18	1956-12-22
1957	1957-01-21	1957-12-27
1958	1958-01-13	1958-12-23
1959	1959-01-08	1959-12-27
1960	1960-01-01	1960-12-31
1961	1961-01-12	1961-12-17
1962	1962-02-15	1962-12-29
1963	1963-02-18	1963-12-21
1964	1964-01-16	1964-12-11
1965	1965-01-03	1965-12-24
1966	1966-01-02	1966-12-27
1967	1967-01-10	1967-12-15
1968	1968-01-09	1968-12-19
1969	1969-01-15	1969-12-30
1970	1970-01-11	1970-12-22
1971	1971-02-07	1971-12-29
1972	1972-01-02	1972-12-21
1973	1973-01-02	1973-12-24
1974	1974-01-08	1974-12-15
1975	1975-01-10	1975-12-25
1976	1976-01-25	1976-12-20
1977	1977-01-03	1977-12-14
1978	1978-01-16	1978-12-31
1979	1979-01-01	1979-12-29
1980	1980-01-18	1980-12-09
1981	1981-01-20	1981-12-07
1982	1982-01-12	1982-12-27
1983	1983-01-01	1983-12-11
1984	1984-01-09	1984-12-31
1985	1985-01-01	1985-12-13
1986	1986-01-17	1986-12-23
1987	1987-01-16	1987-12-27
1988	1988-01-07	1988-12-28
1989	1989-01-20	1989-12-30
1990	1990-01-06	1990-12-27
1991	1991-01-03	1991-12-28
1992	1992-01-05	1992-12-06
1993	1993-01-04	1993-12-22
1994	1994-02-10	1994-12-11
1996	1996-01-26	1996-12-17

Every Fixed Threshold

Fixed thresholds at Waller
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	51	48	1973	30
25 mm (0.98 in): Days with 25 mm or more rain	51	25	1973	7
50 mm (1.97 in): Days with 50 mm or more rain	49	9	1960	3
100 mm (3.94 in): Days with 100 mm or more rain	19	4	1979	1
200 mm (7.87 in): Days with 200 mm or more rain	2	2	1945	1
10 cm (3.9 in): Days with 10 cm or more snowfall	1	1	1960	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

Data for Waller 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).

Waller Threshold Days by Year (USC00419448)

Key Facts for Waller Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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