Castra Upper Threshold Days by Year

4 fixed thresholds counted per year at Castra Upper (ASN00091015): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Castra Upper Thresholds

Castra Upper: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1968 with 66.
Castra Upper: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1956 with 22.
Castra Upper: days with 50 mm (1.97 in) or more of precipitation in 32 years, most in 1956 with 8.
Castra Upper: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1962 with 1.
4 fixed thresholds have at least one qualifying day at Castra Upper.

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

39 years with a qualifying day

Days per year at Castra Upper with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 66 in 1968.

Days with 10 mm (0.39 in) or more of precipitation per year at Castra Upper
Year	Days	Decade average
1948	41	35
1949	29	35
1950	38	43.8
1952	49	43.8
1953	46	43.8
1954	37	43.8
1955	57	43.8
1956	61	43.8
1957	31	43.8
1958	41	43.8
1959	34	43.8
1960	52	41.8
1961	30	41.8
1962	36	41.8
1963	40	41.8
1964	60	41.8
1965	30	41.8
1966	37	41.8
1967	26	41.8
1968	66	41.8
1969	41	41.8
1970	43	42.6
1971	63	42.6
1972	27	42.6
1976	35	42.6
1977	41	42.6
1978	47	42.6
1979	42	42.6
1980	40	38.9
1981	47	38.9
1982	24	38.9
1983	32	38.9
1984	49	38.9
1986	40	38.9
1987	32	38.9
1988	41	38.9
1989	45	38.9
1990	39	43
1991	47	43

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

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

Every Fixed Threshold

Fixed thresholds at Castra Upper
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	39	66	1968	47
25 mm (0.98 in): Days with 25 mm or more rain	39	22	1956	14
50 mm (1.97 in): Days with 50 mm or more rain	32	8	1956	1
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1962	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

Data for Castra Upper 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Castra Upper Threshold Days by Year

Key Facts for Castra Upper Thresholds

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

Every Fixed Threshold

Download the Data

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