Jasper Threshold Days by Year (USC00033600)

6 fixed thresholds counted per year at Jasper (USC00033600): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jasper Thresholds

Jasper: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 1957 with 56.
Jasper: days with 25 mm (0.98 in) or more of precipitation in 74 years, most in 2019 with 26.
Jasper: days with 50 mm (1.97 in) or more of precipitation in 72 years, most in 2008 with 10.
Jasper: days with 10 cm (3.9 in) or more of snowfall in 30 years, most in 1975 with 3.
6 fixed thresholds have at least one qualifying day at Jasper.

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

74 years with a qualifying day

Days per year at Jasper with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 56 in 1957.

Days with 10 mm (0.39 in) or more of precipitation per year at Jasper
Year	Days	Decade average
1948	41	42
1949	43	42
1950	44	38.4
1951	49	38.4
1952	37	38.4
1953	31	38.4
1954	25	38.4
1955	29	38.4
1956	34	38.4
1957	56	38.4
1958	40	38.4
1959	39	38.4
1961	45	34.6
1962	37	34.6
1963	19	34.6
1964	32	34.6
1965	29	34.6
1966	29	34.6
1967	39	34.6
1968	45	34.6
1969	36	34.6
1970	40	40.7
1971	36	40.7
1972	33	40.7
1973	55	40.7
1974	38	40.7
1975	48	40.7
1976	30	40.7
1977	41	40.7
1978	46	40.7
1979	40	40.7
1981	32	35.1
1982	40	35.1
1983	29	35.1
1984	39	35.1
1985	31	35.1
1986	25	35.1
1987	46	35.1
1988	40	35.1
1989	34	35.1
1990	54	39.7
1991	40	39.7
1992	36	39.7
1993	46	39.7
1994	34	39.7
1995	38	39.7
1996	33	39.7
1997	35	39.7
1998	43	39.7
1999	38	39.7
2000	34	36.4
2001	33	36.4
2002	36	36.4
2003	36	36.4
2004	40	36.4
2005	33	36.4
2006	39	36.4
2007	34	36.4
2008	36	36.4
2009	43	36.4
2010	30	36
2011	38	36
2012	27	36
2014	35	36
2015	32	36
2016	29	36
2018	45	36
2019	52	36
2020	41	22.7
2021	39	22.7
2022	25	22.7
2023	13	22.7
2024	11	22.7
2026	7	22.7

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

First to last qualifying date each year at Jasper
Year	First date	Last date
1948	1948-02-06	1948-12-25
1949	1949-01-04	1949-12-26
1950	1950-01-02	1950-12-06
1951	1951-01-03	1951-12-09
1952	1952-01-02	1952-12-19
1953	1953-01-17	1953-12-03
1954	1954-01-10	1954-12-29
1955	1955-01-10	1955-11-23
1956	1956-01-19	1956-12-23
1957	1957-01-22	1957-12-07
1958	1958-02-06	1958-12-02
1959	1959-02-14	1959-12-27
1961	1961-02-08	1961-12-17
1962	1962-01-05	1962-12-20
1963	1963-01-05	1963-12-12
1964	1964-01-25	1964-12-04
1965	1965-01-02	1965-12-25
1966	1966-01-01	1966-12-28
1967	1967-01-26	1967-12-21
1968	1968-01-23	1968-12-28
1969	1969-01-29	1969-12-31
1970	1970-01-05	1970-12-16
1971	1971-01-04	1971-12-15
1972	1972-01-28	1972-12-30
1973	1973-01-21	1973-12-24
1974	1974-02-16	1974-12-06
1975	1975-01-08	1975-12-29
1976	1976-02-21	1976-12-11
1977	1977-01-09	1977-12-14
1978	1978-01-16	1978-12-31
1979	1979-01-01	1979-12-22
1981	1981-01-21	1981-12-23
1982	1982-01-22	1982-12-24
1983	1983-02-01	1983-12-11
1984	1984-01-08	1984-12-20
1985	1985-01-01	1985-12-10
1986	1986-02-06	1986-11-05
1987	1987-01-04	1987-12-27
1988	1988-01-07	1988-12-28
1989	1989-01-26	1989-11-22
1990	1990-01-17	1990-12-29
1991	1991-01-06	1991-12-21
1992	1992-02-11	1992-12-16
1993	1993-01-04	1993-12-14
1994	1994-01-17	1994-12-16
1995	1995-01-13	1995-12-19
1996	1996-01-02	1996-12-16
1997	1997-01-22	1997-12-24
1998	1998-01-04	1998-12-13
1999	1999-01-01	1999-12-11
2000	2000-01-03	2000-12-26
2001	2001-01-04	2001-12-17
2002	2002-01-21	2002-12-31
2003	2003-02-10	2003-12-29
2004	2004-01-19	2004-12-27
2005	2005-01-03	2005-11-28
2006	2006-01-10	2006-12-31
2007	2007-01-15	2007-12-17
2008	2008-01-31	2008-12-29
2009	2009-01-28	2009-12-28
2010	2010-01-21	2010-12-30
2011	2011-02-01	2011-12-27
2012	2012-01-11	2012-12-20
2014	2014-01-07	2014-12-30
2015	2015-01-02	2015-12-14
2016	2016-01-05	2016-12-05
2018	2018-01-08	2018-12-28
2019	2019-01-12	2019-12-29
2020	2020-01-10	2020-12-12
2021	2021-01-01	2021-12-18
2022	2022-01-01	2022-12-14
2023	2023-01-25	2023-12-01
2024	2024-03-15	2024-11-04
2026	2026-03-06	2026-08-07

Every Fixed Threshold

Fixed thresholds at Jasper
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	74	56	1957	7
25 mm (0.98 in): Days with 25 mm or more rain	74	26	2019	3
50 mm (1.97 in): Days with 50 mm or more rain	72	10	2008	2
100 mm (3.94 in): Days with 100 mm or more rain	24	3	2008	2
10 cm (3.9 in): Days with 10 cm or more snowfall	30	3	1975	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1977	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 Jasper 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).

Jasper Threshold Days by Year (USC00033600)

Key Facts for Jasper Thresholds

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

Every Fixed Threshold

Download the Data

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