Little Hills Threshold Days by Year (USC00055048)

14 fixed thresholds counted per year at Little Hills (USC00055048): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Little Hills Thresholds

Little Hills: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1969 with 16.
Little Hills: nights with a minimum temperature at or below 0 C (32 F) in 37 years, most in 1950 with 266.
Little Hills: nights with a minimum temperature at or below -10 C (14 F) in 37 years, most in 1952 with 121.
Little Hills: nights with a minimum temperature at or below -20 C (-4 F) in 37 years, most in 1984 with 44.
14 fixed thresholds have at least one qualifying day at Little Hills.

Days at or above 30 C (86 F)

36 years with a qualifying day

Days per year at Little Hills with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 64 in 1948.

Days at or above 30 C (86 F) per year at Little Hills
Year	Days	Decade average
1947	55	50.7
1948	64	50.7
1949	33	50.7
1950	23	36.9
1951	38	36.9
1952	34	36.9
1953	40	36.9
1954	40	36.9
1955	45	36.9
1956	48	36.9
1958	21	36.9
1959	43	36.9
1960	56	42.3
1961	47	42.3
1962	38	42.3
1963	41	42.3
1964	41	42.3
1966	49	42.3
1967	49	42.3
1968	23	42.3
1969	37	42.3
1970	41	37.7
1971	42	37.7
1972	28	37.7
1973	28	37.7
1974	42	37.7
1975	21	37.7
1976	34	37.7
1977	46	37.7
1978	51	37.7
1979	44	37.7
1983	29	24.6
1984	10	24.6
1985	41	24.6
1986	21	24.6
1987	22	24.6

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

First to last qualifying date each year at Little Hills
Year	First date	Last date
1947	1947-05-03	1947-10-01
1948	1948-05-16	1948-09-15
1949	1949-06-16	1949-08-27
1950	1950-06-06	1950-09-05
1951	1951-06-16	1951-08-18
1952	1952-06-08	1952-09-25
1953	1953-06-09	1953-09-12
1954	1954-06-18	1954-09-02
1955	1955-06-21	1955-09-14
1956	1956-06-08	1956-09-20
1958	1958-06-27	1958-08-26
1959	1959-06-06	1959-09-11
1960	1960-06-17	1960-09-05
1961	1961-06-09	1961-08-28
1962	1962-06-19	1962-09-19
1963	1963-06-13	1963-09-12
1964	1964-06-25	1964-08-24
1966	1966-06-19	1966-08-29
1967	1967-05-21	1967-09-06
1968	1968-06-18	1968-09-11
1969	1969-06-05	1969-08-27
1970	1970-06-23	1970-08-30
1971	1971-06-17	1971-08-24
1972	1972-06-29	1972-08-16
1973	1973-06-09	1973-08-20
1974	1974-06-13	1974-09-09
1975	1975-06-30	1975-08-26
1976	1976-06-20	1976-09-05
1977	1977-06-01	1977-09-07
1978	1978-06-09	1978-09-08
1979	1979-06-13	1979-09-09
1983	1983-05-29	1983-09-10
1984	1984-06-30	1984-08-31
1985	1985-06-08	1985-09-02
1986	1986-06-17	1986-08-20
1987	1987-06-15	1987-09-02

Every Fixed Threshold

Fixed thresholds at Little Hills
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	36	64	1948	22
35 C (95 F): Days	10	14	1947	2
90 F (32.2 C): Days	36	33	1948	1
0 C (32 F): Ice days (max	36	49	1984	24
0 C (32 F): Frost days (min	37	266	1950	214
-10 C (14 F): Days with min	37	121	1952	85
-20 C (-4 F): Days with min	37	44	1984	23
-30 C (-22 F): Days with min	27	9	1962	2
-40 C (-40 F): Days with min	1	2	1963	2
10 mm (0.39 in): Days with 10 mm or more rain	41	16	1969	11
25 mm (0.98 in): Days with 25 mm or more rain	15	2	1950	2
50 mm (1.97 in): Days with 50 mm or more rain	1	1	1986	1
10 cm (3.9 in): Days with 10 cm or more snowfall	30	13	1979	5
25 cm (9.8 in): Days with 25 cm or more snowfall	6	2	1956	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1947.

Download the Data

Data for Little Hills 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).

Little Hills Threshold Days by Year (USC00055048)

Key Facts for Little Hills Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related