Bisbee Threshold Days by Year (USC00020768)

17 fixed thresholds counted per year at Bisbee (USC00020768): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bisbee Thresholds

Bisbee: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1907 with 25.
Bisbee: days with 25 mm (0.98 in) or more of precipitation in 64 years, most in 1898 with 8.
Bisbee: nights with a minimum temperature at or below 0 C (32 F) in 51 years, most in 1912 with 53.
Bisbee: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 1927 with 164.
17 fixed thresholds have at least one qualifying day at Bisbee.

Days at or above 30 C (86 F)

50 years with a qualifying day

Days per year at Bisbee with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 164 in 1927.

Days at or above 30 C (86 F) per year at Bisbee
Year	Days	Decade average
1893	79	67.8
1895	86	67.8
1896	67	67.8
1897	51	67.8
1898	53	67.8
1899	71	67.8
1900	99	49.3
1901	70	49.3
1902	68	49.3
1904	43	49.3
1906	33	49.3
1907	27	49.3
1908	30	49.3
1909	24	49.3
1910	57	68.9
1911	36	68.9
1912	38	68.9
1914	52	68.9
1915	88	68.9
1918	105	68.9
1919	106	68.9
1920	110	114
1921	83	114
1922	117	114
1923	77	114
1924	142	114
1925	135	114
1926	130	114
1927	164	114
1928	67	114
1929	115	114
1930	114	115.8
1931	130	115.8
1932	108	115.8
1933	115	115.8
1934	127	115.8
1935	85	115.8
1936	109	115.8
1937	134	115.8
1938	109	115.8
1939	127	115.8
1940	91	85.6
1941	69	85.6
1942	81	85.6
1946	98	85.6
1947	89	85.6
1954	75	85.3
1955	65	85.3
1956	116	85.3
1960	121	121

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

First to last qualifying date each year at Bisbee
Year	First date	Last date
1893	1893-03-28	1893-10-08
1895	1895-05-06	1895-09-17
1896	1896-05-22	1896-09-17
1897	1897-05-17	1897-08-31
1898	1898-05-22	1898-09-26
1899	1899-05-12	1899-09-28
1900	1900-05-08	1900-09-16
1901	1901-06-06	1901-09-26
1902	1902-05-25	1902-09-28
1904	1904-04-13	1904-09-25
1906	1906-06-07	1906-09-06
1907	1907-03-19	1907-09-24
1908	1908-06-08	1908-07-13
1909	1909-06-03	1909-07-18
1910	1910-05-09	1910-09-10
1911	1911-05-31	1911-08-31
1912	1912-05-25	1912-08-09
1914	1914-05-07	1914-09-07
1915	1915-05-12	1915-10-04
1918	1918-05-22	1918-10-06
1919	1919-04-12	1919-09-18
1920	1920-05-07	1920-10-11
1921	1921-05-13	1921-10-19
1922	1922-05-06	1922-10-10
1923	1923-05-02	1923-10-06
1924	1924-05-08	1924-11-04
1925	1925-03-05	1925-10-22
1926	1926-04-23	1926-10-26
1927	1927-04-02	1927-11-10
1928	1928-05-21	1928-10-09
1929	1929-05-08	1929-10-08
1930	1930-04-06	1930-10-22
1931	1931-05-06	1931-10-25
1932	1932-05-01	1932-10-17
1933	1933-05-02	1933-09-29
1934	1934-04-23	1934-10-10
1935	1935-04-14	1935-10-07
1936	1936-05-01	1936-10-12
1937	1937-04-14	1937-10-09
1938	1938-04-21	1938-10-15
1939	1939-04-19	1939-09-30
1940	1940-05-01	1940-09-23
1941	1941-05-06	1941-09-27
1942	1942-05-20	1942-09-28
1946	1946-04-15	1946-09-26
1947	1947-05-02	1947-10-06
1954	1954-05-05	1954-10-02
1955	1955-05-29	1955-10-02
1956	1956-05-04	1956-10-08
1960	1960-04-11	1960-09-29

Every Fixed Threshold

Fixed thresholds at Bisbee
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	50	164	1927	121
35 C (95 F): Days	45	67	1927	15
40 C (104 F): Days	6	8	1924	1
90 F (32.2 C): Days	50	127	1927	64
100 F (37.8 C): Days	20	25	1927	2
0 C (32 F): Ice days (max	6	2	1923	2
0 C (32 F): Frost days (min	51	53	1912	35
-10 C (14 F): Days with min	7	2	1923	1
20 C (68 F): Tropical nights (min	50	41	1896	4
25 C (77 F): Days with min	6	3	1924	1
10 mm (0.39 in): Days with 10 mm or more rain	64	25	1907	16
25 mm (0.98 in): Days with 25 mm or more rain	64	8	1898	4
50 mm (1.97 in): Days with 50 mm or more rain	32	2	1912	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1910	1
10 cm (3.9 in): Days with 10 cm or more snowfall	32	4	1918	2
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1895	1
50 cm (19.7 in): Days with 50 cm or more snowfall	2	1	1923	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Bisbee 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).

Bisbee Threshold Days by Year (USC00020768)

Key Facts for Bisbee Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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