Dalecarlia Rsvr Threshold Days by Year (USC00182325)

18 fixed thresholds counted per year at Dalecarlia Rsvr (USC00182325): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dalecarlia Rsvr Thresholds

Dalecarlia Rsvr: days with 10 mm (0.39 in) or more of precipitation in 72 years, most in 1996 with 52.
Dalecarlia Rsvr: days with 25 mm (0.98 in) or more of precipitation in 72 years, most in 1972 with 20.
Dalecarlia Rsvr: nights with a minimum temperature at or below 0 C (32 F) in 67 years, most in 1992 with 154.
Dalecarlia Rsvr: nights with a minimum temperature at or above 20 C (68 F) in 66 years, most in 2010 with 68.
18 fixed thresholds have at least one qualifying day at Dalecarlia Rsvr.

Days at or above 30 C (86 F)

65 years with a qualifying day

Days per year at Dalecarlia Rsvr with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 108 in 1998.

Days at or above 30 C (86 F) per year at Dalecarlia Rsvr
Year	Days	Decade average
1949	64	64
1950	38	68.7
1951	73	68.7
1952	73	68.7
1953	75	68.7
1954	65	68.7
1955	64	68.7
1956	62	68.7
1957	93	68.7
1958	58	68.7
1959	86	68.7
1960	66	65.9
1961	68	65.9
1962	56	65.9
1963	59	65.9
1965	75	65.9
1966	75	65.9
1967	51	65.9
1969	77	65.9
1970	88	68.5
1971	73	68.5
1972	58	68.5
1973	60	68.5
1974	64	68.5
1975	67	68.5
1976	68	68.5
1977	77	68.5
1978	77	68.5
1979	53	68.5
1980	86	74.7
1981	65	74.7
1982	51	74.7
1983	81	74.7
1984	61	74.7
1985	77	74.7
1986	87	74.7
1987	94	74.7
1988	79	74.7
1989	66	74.7
1990	86	81.9
1991	104	81.9
1992	57	81.9
1993	87	81.9
1994	85	81.9
1996	79	81.9
1997	49	81.9
1998	108	81.9
1999	82	81.9
2001	72	81.9
2002	95	81.9
2005	88	81.9
2006	76	81.9
2007	96	81.9
2008	82	81.9
2009	64	81.9
2010	91	71.7
2011	75	71.7
2012	70	71.7
2013	54	71.7
2014	51	71.7
2015	71	71.7
2016	74	71.7
2017	63	71.7
2019	96	71.7
2020	58	58

For each year, a bar from the first to the last day at Dalecarlia Rsvr meeting 30 C (86 F).

First to last qualifying date each year at Dalecarlia Rsvr
Year	First date	Last date
1949	1949-05-05	1949-10-12
1950	1950-05-07	1950-10-31
1951	1951-04-30	1951-10-06
1952	1952-04-22	1952-09-15
1953	1953-04-25	1953-09-30
1954	1954-04-19	1954-10-13
1955	1955-05-05	1955-09-20
1956	1956-04-28	1956-09-23
1957	1957-04-21	1957-09-23
1958	1958-05-04	1958-09-27
1959	1959-04-08	1959-10-06
1960	1960-04-14	1960-09-11
1961	1961-04-25	1961-09-26
1962	1962-04-22	1962-10-12
1963	1963-04-02	1963-09-20
1965	1965-05-03	1965-09-23
1966	1966-05-06	1966-09-03
1967	1967-04-02	1967-10-06
1969	1969-04-27	1969-10-20
1970	1970-05-09	1970-09-27
1971	1971-05-18	1971-11-02
1972	1972-04-19	1972-09-26
1973	1973-04-22	1973-09-26
1974	1974-04-28	1974-09-21
1975	1975-05-20	1975-10-15
1976	1976-04-16	1976-09-14
1977	1977-04-11	1977-09-20
1978	1978-04-01	1978-09-19
1979	1979-03-30	1979-09-14
1980	1980-05-05	1980-09-23
1981	1981-04-28	1981-09-15
1982	1982-05-07	1982-09-18
1983	1983-04-28	1983-10-04
1984	1984-05-19	1984-09-25
1985	1985-04-13	1985-09-23
1986	1986-05-01	1986-10-03
1987	1987-04-22	1987-09-29
1988	1988-05-23	1988-09-23
1989	1989-03-28	1989-10-15
1990	1990-03-12	1990-10-09
1991	1991-04-07	1991-09-19
1992	1992-04-17	1992-09-22
1993	1993-05-10	1993-09-16
1994	1994-04-15	1994-09-27
1996	1996-04-22	1996-09-10
1997	1997-05-03	1997-10-07
1998	1998-03-27	1998-09-30
1999	1999-04-08	1999-09-14
2001	2001-04-09	2001-09-29
2002	2002-04-16	2002-10-06
2005	2005-04-07	2005-09-24
2006	2006-03-14	2006-09-19
2007	2007-04-25	2007-10-10
2008	2008-04-19	2008-09-15
2009	2009-04-26	2009-09-25
2010	2010-04-06	2010-09-26
2011	2011-04-05	2011-09-15
2012	2012-04-17	2012-09-08
2013	2013-04-10	2013-10-08
2014	2014-05-09	2014-09-22
2015	2015-05-06	2015-09-20
2016	2016-05-26	2016-10-21
2017	2017-04-12	2017-10-11
2019	2019-05-03	2019-10-03
2020	2020-05-16	2020-09-09

Every Fixed Threshold

Fixed thresholds at Dalecarlia Rsvr
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	65	108	1998	58
35 C (95 F): Days	60	36	2002	7
40 C (104 F): Days	2	1	1997	1
90 F (32.2 C): Days	65	69	1998	32
100 F (37.8 C): Days	22	10	1988	2
0 C (32 F): Ice days (max	60	23	2015	5
0 C (32 F): Frost days (min	67	154	1992	1
-10 C (14 F): Days with min	63	29	1977	4
-20 C (-4 F): Days with min	4	2	1982	1
20 C (68 F): Tropical nights (min	66	68	2010	54
25 C (77 F): Days with min	31	15	1998	1
10 mm (0.39 in): Days with 10 mm or more rain	72	52	1996	27
25 mm (0.98 in): Days with 25 mm or more rain	72	20	1972	7
50 mm (1.97 in): Days with 50 mm or more rain	65	5	1955	1
100 mm (3.94 in): Days with 100 mm or more rain	16	1	1966	1
10 cm (3.9 in): Days with 10 cm or more snowfall	25	4	1978	1
25 cm (9.8 in): Days with 25 cm or more snowfall	7	2	2016	2
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	2010	1

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

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Data for Dalecarlia Rsvr 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).

Dalecarlia Rsvr Threshold Days by Year (USC00182325)

Key Facts for Dalecarlia Rsvr Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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