Cedar Falls Hydro Plt Threshold Days by Year (USC00471308)

6 fixed thresholds counted per year at Cedar Falls Hydro Plt (USC00471308): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cedar Falls Hydro Plt Thresholds

Cedar Falls Hydro Plt: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1982 with 40.
Cedar Falls Hydro Plt: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 1954 with 15.
Cedar Falls Hydro Plt: days with 10 cm (3.9 in) or more of snowfall in 55 years, most in 2019 with 13.
Cedar Falls Hydro Plt: days with 50 mm (1.97 in) or more of precipitation in 37 years, most in 1979 with 6.
6 fixed thresholds have at least one qualifying day at Cedar Falls Hydro Plt.

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

55 years with a qualifying day

Days per year at Cedar Falls Hydro Plt with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1982.

Days with 10 mm (0.39 in) or more of precipitation per year at Cedar Falls Hydro Plt
Year	Days	Decade average
1949	17	17
1950	19	23
1951	29	23
1952	22	23
1953	26	23
1954	30	23
1955	23	23
1956	20	23
1957	20	23
1958	18	23
1959	23	23
1960	22	24.5
1961	21	24.5
1962	27	24.5
1963	20	24.5
1964	21	24.5
1965	33	24.5
1966	15	24.5
1967	23	24.5
1968	39	24.5
1969	24	24.5
1970	35	28.6
1971	27	28.6
1972	35	28.6
1973	31	28.6
1974	20	28.6
1975	33	28.6
1976	19	28.6
1977	33	28.6
1978	26	28.6
1979	27	28.6
1980	26	27
1981	20	27
1982	40	27
1983	30	27
1984	33	27
1985	24	27
1986	31	27
1987	30	27
1988	22	27
1989	14	27
1990	26	28.4
1991	36	28.4
1992	28	28.4
1993	34	28.4
1994	27	28.4
1995	30	28.4
1996	29	28.4
1997	24	28.4
1998	26	28.4
1999	24	28.4
2000	27	30.3
2001	33	30.3
2002	31	30.3
2026	18	18

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

First to last qualifying date each year at Cedar Falls Hydro Plt
Year	First date	Last date
1949	1949-01-24	1949-12-31
1950	1950-01-14	1950-12-08
1951	1951-02-26	1951-12-20
1952	1952-01-15	1952-11-26
1953	1953-01-16	1953-12-04
1954	1954-03-13	1954-10-27
1955	1955-03-15	1955-12-04
1956	1956-03-11	1956-11-16
1957	1957-04-05	1957-12-19
1958	1958-04-06	1958-11-18
1959	1959-03-06	1959-12-28
1960	1960-04-13	1960-12-05
1961	1961-02-19	1961-11-03
1962	1962-01-05	1962-11-24
1963	1963-01-12	1963-10-25
1964	1964-03-04	1964-12-11
1965	1965-02-10	1965-12-13
1966	1966-02-09	1966-10-15
1967	1967-01-07	1967-10-30
1968	1968-03-19	1968-12-22
1969	1969-01-16	1969-12-08
1970	1970-03-03	1970-11-27
1971	1971-01-04	1971-11-27
1972	1972-01-25	1972-12-30
1973	1973-01-04	1973-12-05
1974	1974-01-21	1974-11-11
1975	1975-01-11	1975-12-14
1976	1976-01-11	1976-10-05
1977	1977-02-24	1977-12-18
1978	1978-01-01	1978-12-03
1979	1979-03-04	1979-11-22
1980	1980-01-07	1980-10-24
1981	1981-02-22	1981-11-19
1982	1982-01-03	1982-12-28
1983	1983-02-03	1983-11-29
1984	1984-02-12	1984-12-22
1985	1985-03-04	1985-12-02
1986	1986-03-18	1986-10-12
1987	1987-01-30	1987-12-09
1988	1988-01-20	1988-12-27
1989	1989-03-04	1989-11-28
1990	1990-01-24	1990-10-21
1991	1991-02-18	1991-12-13
1992	1992-01-09	1992-12-10
1993	1993-01-13	1993-11-26
1994	1994-01-06	1994-11-28
1995	1995-03-26	1995-12-14
1996	1996-01-18	1996-12-24
1997	1997-01-05	1997-11-01
1998	1998-01-05	1998-12-05
1999	1999-02-12	1999-11-24
2000	2000-01-13	2000-11-13
2001	2001-01-31	2001-12-06
2002	2002-02-20	2002-10-21
2026	2026-01-06	2026-09-21

Every Fixed Threshold

Fixed thresholds at Cedar Falls Hydro Plt
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	55	40	1982	18
25 mm (0.98 in): Days with 25 mm or more rain	55	15	1954	4
50 mm (1.97 in): Days with 50 mm or more rain	37	6	1979	2
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1959	1
10 cm (3.9 in): Days with 10 cm or more snowfall	55	13	2019	1
25 cm (9.8 in): Days with 25 cm or more snowfall	7	2	1996	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

Data for Cedar Falls Hydro Plt 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Cedar Falls Hydro Plt Threshold Days by Year (USC00471308)

Key Facts for Cedar Falls Hydro Plt Thresholds

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

Every Fixed Threshold

Download the Data

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