Parker 1 E Threshold Days by Year

13 fixed thresholds counted per year at Parker 1 E (USC00316565): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Parker 1 E Thresholds

Parker 1 E: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1937 with 69.
Parker 1 E: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1929 with 17.
Parker 1 E: nights with a minimum temperature at or below 0 C (32 F) in 43 years, most in 1924 with 156.
Parker 1 E: nights with a minimum temperature at or below -10 C (14 F) in 43 years, most in 1958 with 28.
13 fixed thresholds have at least one qualifying day at Parker 1 E.

Days at or above 30 C (86 F)

33 years with a qualifying day

Days per year at Parker 1 E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 28 in 1928.

Days at or above 30 C (86 F) per year at Parker 1 E
Year	Days	Decade average
1919	2	2
1921	1	12.6
1922	1	12.6
1923	12	12.6
1924	23	12.6
1925	23	12.6
1927	12	12.6
1928	28	12.6
1929	1	12.6
1930	14	8.1
1931	9	8.1
1932	9	8.1
1933	4	8.1
1934	4	8.1
1935	6	8.1
1936	20	8.1
1938	1	8.1
1939	6	8.1
1940	5	6.9
1941	8	6.9
1942	3	6.9
1943	8	6.9
1944	3	6.9
1945	18	6.9
1946	8	6.9
1948	7	6.9
1949	2	6.9
1951	2	6.8
1952	9	6.8
1953	9	6.8
1954	10	6.8
1959	4	6.8
1962	1	1

For each year, a bar from the first to the last day at Parker 1 E meeting 30 C (86 F).

First to last qualifying date each year at Parker 1 E
Year	First date	Last date
1919	1919-07-05	1919-07-14
1921	1921-06-17	1921-06-17
1922	1922-06-09	1922-06-09
1923	1923-07-11	1923-08-21
1924	1924-06-08	1924-08-19
1925	1925-04-24	1925-09-09
1927	1927-04-21	1927-09-17
1928	1928-05-04	1928-10-14
1929	1929-09-29	1929-09-29
1930	1930-06-23	1930-08-09
1931	1931-06-20	1931-09-19
1932	1932-07-20	1932-09-04
1933	1933-06-07	1933-07-26
1934	1934-06-26	1934-07-25
1935	1935-06-23	1935-08-16
1936	1936-06-17	1936-08-21
1938	1938-07-28	1938-07-28
1939	1939-06-29	1939-09-09
1940	1940-07-19	1940-07-29
1941	1941-05-20	1941-09-09
1942	1942-07-14	1942-08-02
1943	1943-06-06	1943-08-31
1944	1944-06-13	1944-06-18
1945	1945-06-24	1945-09-29
1946	1946-06-18	1946-08-11
1948	1948-06-21	1948-08-30
1949	1949-07-07	1949-07-29
1951	1951-08-31	1951-09-01
1952	1952-06-27	1952-07-30
1953	1953-06-21	1953-09-29
1954	1954-06-27	1954-09-07
1959	1959-06-30	1959-08-21
1962	1962-08-20	1962-08-20

Every Fixed Threshold

Fixed thresholds at Parker 1 E
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	33	28	1928	1
90 F (32.2 C): Days	12	6	1936	2
0 C (32 F): Ice days (max	42	32	1958	20
0 C (32 F): Frost days (min	43	156	1924	119
-10 C (14 F): Days with min	43	28	1958	21
-20 C (-4 F): Days with min	19	5	1925	3
20 C (68 F): Tropical nights (min	7	2	1941	1
10 mm (0.39 in): Days with 10 mm or more rain	44	69	1937	53
25 mm (0.98 in): Days with 25 mm or more rain	44	17	1929	8
50 mm (1.97 in): Days with 50 mm or more rain	26	4	1923	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1959	1
10 cm (3.9 in): Days with 10 cm or more snowfall	39	9	1928	9
25 cm (9.8 in): Days with 25 cm or more snowfall	8	2	1921	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1919.

Download the Data

Data for Parker 1 E 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).

Parker 1 E Threshold Days by Year

Key Facts for Parker 1 E Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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