Ica Threshold Days by Year (RSM00032411)

9 fixed thresholds counted per year at Ica (RSM00032411): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ica Thresholds

Ica: days with 10 mm (0.39 in) or more of precipitation in 77 years, most in 1977 with 37.
Ica: nights with a minimum temperature at or below 0 C (32 F) in 70 years, most in 1960 with 225.
Ica: nights with a minimum temperature at or below -10 C (14 F) in 70 years, most in 1998 with 136.
Ica: nights with a minimum temperature at or below -20 C (-4 F) in 70 years, most in 2001 with 53.
9 fixed thresholds have at least one qualifying day at Ica.

Nights at or below 0 C (32 F)

70 years with a qualifying day

Days per year at Ica with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 225 in 1960.

Nights at or below 0 C (32 F) per year at Ica
Year	Days	Decade average
1938	223	213
1939	203	213
1942	215	201.6
1943	199	201.6
1944	197	201.6
1945	196	201.6
1946	218	201.6
1947	220	201.6
1948	166	201.6
1950	184	211.8
1951	216	211.8
1952	216	211.8
1954	217	211.8
1955	216	211.8
1956	209	211.8
1957	214	211.8
1958	220	211.8
1959	214	211.8
1960	225	211.9
1961	206	211.9
1962	200	211.9
1963	202	211.9
1964	217	211.9
1965	199	211.9
1966	212	211.9
1967	216	211.9
1968	218	211.9
1969	224	211.9
1970	207	210.8
1971	210	210.8
1972	213	210.8
1973	210	210.8
1974	207	210.8
1975	204	210.8
1976	219	210.8
1977	219	210.8
1978	201	210.8
1979	218	210.8
1980	222	205.9
1981	203	205.9
1982	202	205.9
1983	204	205.9
1984	205	205.9
1985	211	205.9
1987	211	205.9
1988	201	205.9
1989	194	205.9
1990	191	201.7
1991	195	201.7
1992	205	201.7
1993	213	201.7
1994	202	201.7
1995	185	201.7
1997	195	201.7
1998	225	201.7
1999	204	201.7
2000	206	196.3
2001	210	196.3
2002	179	196.3
2003	199	196.3
2004	212	196.3
2005	186	196.3
2006	189	196.3
2007	189	196.3
2012	185	188.3
2013	201	188.3
2018	198	188.3
2019	169	188.3
2020	186	142.5
2025	99	142.5

For each year, a bar from the first to the last day at Ica meeting 0 C (32 F).

First to last qualifying date each year at Ica
Year	First date	Last date
1938	1938-01-01	1938-12-31
1939	1939-01-01	1939-12-31
1942	1942-01-01	1942-12-31
1943	1943-01-01	1943-12-31
1944	1944-01-01	1944-12-31
1945	1945-01-01	1945-12-31
1946	1946-01-01	1946-12-31
1947	1947-01-01	1947-12-31
1948	1948-01-01	1948-11-30
1950	1950-01-01	1950-12-31
1951	1951-01-01	1951-12-31
1952	1952-01-01	1952-12-31
1954	1954-01-01	1954-12-31
1955	1955-01-01	1955-12-31
1956	1956-01-01	1956-12-31
1957	1957-01-01	1957-12-31
1958	1958-01-01	1958-12-31
1959	1959-01-01	1959-12-31
1960	1960-01-01	1960-12-31
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-31
1964	1964-01-01	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-31
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-31
1970	1970-01-01	1970-12-31
1971	1971-01-01	1971-12-31
1972	1972-01-01	1972-12-31
1973	1973-01-01	1973-12-31
1974	1974-01-01	1974-12-31
1975	1975-01-01	1975-12-31
1976	1976-01-01	1976-12-31
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-01	1980-12-31
1981	1981-01-01	1981-12-31
1982	1982-01-01	1982-12-31
1983	1983-01-01	1983-12-31
1984	1984-01-01	1984-12-31
1985	1985-01-01	1985-12-31
1987	1987-01-01	1987-12-31
1988	1988-01-01	1988-12-31
1989	1989-01-01	1989-12-31
1990	1990-01-01	1990-12-31
1991	1991-01-01	1991-12-31
1992	1992-01-01	1992-12-31
1993	1993-01-01	1993-12-31
1994	1994-01-01	1994-12-31
1995	1995-01-01	1995-12-31
1997	1997-01-01	1997-12-31
1998	1998-01-01	1998-12-31
1999	1999-01-01	1999-12-31
2000	2000-01-01	2000-12-31
2001	2001-01-01	2001-12-31
2002	2002-01-01	2002-12-23
2003	2003-01-01	2003-12-31
2004	2004-01-01	2004-12-31
2005	2005-01-01	2005-12-31
2006	2006-01-01	2006-12-31
2007	2007-01-01	2007-12-31
2012	2012-01-01	2012-12-31
2013	2013-01-01	2013-12-31
2018	2018-01-01	2018-12-31
2019	2019-01-01	2019-12-31
2020	2020-01-01	2020-12-31
2025	2025-01-01	2025-05-28

Every Fixed Threshold

Fixed thresholds at Ica
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
0 C (32 F): Ice days (max	65	170	1998	72
0 C (32 F): Frost days (min	70	225	1960	99
-10 C (14 F): Days with min	70	136	1998	51
-20 C (-4 F): Days with min	70	53	2001	10
-30 C (-22 F): Days with min	18	5	1954	4
10 mm (0.39 in): Days with 10 mm or more rain	77	37	1977	8
25 mm (0.98 in): Days with 25 mm or more rain	70	6	1966	2
50 mm (1.97 in): Days with 50 mm or more rain	16	3	2005	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1988	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1938.

Download the Data

Data for Ica 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).

Ica Threshold Days by Year (RSM00032411)

Key Facts for Ica Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

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