Roy 8 NE Threshold Days by Year (USC00247228)

17 fixed thresholds counted per year at Roy 8 NE (USC00247228): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Roy 8 NE Thresholds

Roy 8 NE: days with 10 mm (0.39 in) or more of precipitation in 66 years, most in 1978 with 17.
Roy 8 NE: nights with a minimum temperature at or below 0 C (32 F) in 63 years, most in 1945 with 204.
Roy 8 NE: nights with a minimum temperature at or below -10 C (14 F) in 63 years, most in 1955 with 99.
Roy 8 NE: nights with a minimum temperature at or below -20 C (-4 F) in 63 years, most in 1949 with 51.
17 fixed thresholds have at least one qualifying day at Roy 8 NE.

Days at or above 30 C (86 F)

62 years with a qualifying day

Days per year at Roy 8 NE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 75 in 1988.

Days at or above 30 C (86 F) per year at Roy 8 NE
Year	Days	Decade average
1942	29	40.1
1943	37	40.1
1944	25	40.1
1945	54	40.1
1946	48	40.1
1947	44	40.1
1948	35	40.1
1949	49	40.1
1950	25	40.4
1951	30	40.4
1952	44	40.4
1953	49	40.4
1954	38	40.4
1955	48	40.4
1956	38	40.4
1957	44	40.4
1958	44	40.4
1959	44	40.4
1960	47	43.2
1961	65	43.2
1962	22	43.2
1963	53	43.2
1964	38	43.2
1965	24	43.2
1966	53	43.2
1967	54	43.2
1968	31	43.2
1969	45	43.2
1970	51	35.5
1971	46	35.5
1972	27	35.5
1973	38	35.5
1974	31	35.5
1975	20	35.5
1976	45	35.5
1977	24	35.5
1978	24	35.5
1979	49	35.5
1980	39	45.6
1981	46	45.6
1982	35	45.6
1983	50	45.6
1984	57	45.6
1985	40	45.6
1986	40	45.6
1987	34	45.6
1988	75	45.6
1989	40	45.6
1990	48	40.2
1991	48	40.2
1992	32	40.2
1993	10	40.2
1994	56	40.2
1995	33	40.2
1996	42	40.2
1997	40	40.2
1998	53	40.2
1999	40	40.2
2000	50	53
2001	62	53
2002	43	53
2003	57	53

For each year, a bar from the first to the last day at Roy 8 NE meeting 30 C (86 F).

First to last qualifying date each year at Roy 8 NE
Year	First date	Last date
1942	1942-07-02	1942-10-10
1943	1943-07-03	1943-10-09
1944	1944-05-15	1944-09-13
1945	1945-06-20	1945-09-13
1946	1946-04-26	1946-09-30
1947	1947-05-02	1947-09-02
1948	1948-05-17	1948-10-03
1949	1949-04-28	1949-09-23
1950	1950-05-27	1950-09-06
1951	1951-05-22	1951-08-22
1952	1952-04-25	1952-09-26
1953	1953-05-06	1953-10-10
1954	1954-05-19	1954-09-11
1955	1955-06-14	1955-10-10
1956	1956-05-19	1956-09-26
1957	1957-06-03	1957-10-01
1958	1958-05-11	1958-10-18
1959	1959-06-03	1959-09-14
1960	1960-05-11	1960-10-06
1961	1961-05-26	1961-09-05
1962	1962-04-19	1962-09-27
1963	1963-06-14	1963-10-03
1964	1964-05-19	1964-10-13
1965	1965-07-06	1965-08-13
1966	1966-05-06	1966-09-23
1967	1967-07-04	1967-09-29
1968	1968-04-30	1968-09-11
1969	1969-05-26	1969-09-18
1970	1970-06-04	1970-10-04
1971	1971-05-27	1971-09-12
1972	1972-05-31	1972-09-18
1973	1973-06-08	1973-08-30
1974	1974-06-13	1974-08-18
1975	1975-07-05	1975-10-03
1976	1976-05-17	1976-09-17
1977	1977-05-10	1977-09-04
1978	1978-06-30	1978-09-07
1979	1979-06-11	1979-09-25
1980	1980-04-20	1980-10-08
1981	1981-06-26	1981-09-19
1982	1982-06-22	1982-09-09
1983	1983-05-25	1983-09-26
1984	1984-05-14	1984-09-18
1985	1985-05-02	1985-08-31
1986	1986-05-20	1986-08-30
1987	1987-04-28	1987-10-03
1988	1988-05-16	1988-09-09
1989	1989-05-10	1989-09-29
1990	1990-06-23	1990-09-25
1991	1991-06-11	1991-10-11
1992	1992-04-29	1992-10-01
1993	1993-05-13	1993-08-23
1994	1994-05-27	1994-09-26
1995	1995-05-31	1995-10-11
1996	1996-06-07	1996-10-10
1997	1997-06-26	1997-10-02
1998	1998-05-26	1998-09-18
1999	1999-06-18	1999-09-23
2000	2000-06-05	2000-09-17
2001	2001-04-28	2001-10-01
2002	2002-06-16	2002-09-16
2003	2003-05-28	2003-09-07

Every Fixed Threshold

Fixed thresholds at Roy 8 NE
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	62	75	1988	57
35 C (95 F): Days	61	31	1988	26
40 C (104 F): Days	11	2	1961	2
90 F (32.2 C): Days	62	53	1988	42
100 F (37.8 C): Days	42	9	1983	9
0 C (32 F): Ice days (max	62	88	1978	43
0 C (32 F): Frost days (min	63	204	1945	160
-10 C (14 F): Days with min	63	99	1955	37
-20 C (-4 F): Days with min	63	51	1949	15
-30 C (-22 F): Days with min	52	17	1950	2
-40 C (-40 F): Days with min	5	2	1989	1
20 C (68 F): Tropical nights (min	15	5	2003	5
10 mm (0.39 in): Days with 10 mm or more rain	66	17	1978	11
25 mm (0.98 in): Days with 25 mm or more rain	50	6	1962	1
50 mm (1.97 in): Days with 50 mm or more rain	9	1	1944	1
10 cm (3.9 in): Days with 10 cm or more snowfall	57	7	1971	1
25 cm (9.8 in): Days with 25 cm or more snowfall	11	1	1941	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

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Data for Roy 8 NE 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).

Roy 8 NE Threshold Days by Year (USC00247228)

Key Facts for Roy 8 NE Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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