Bear Mtn Twr Threshold Days by Year (USC00340584)

16 fixed thresholds counted per year at Bear Mtn Twr (USC00340584): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bear Mtn Twr Thresholds

Bear Mtn Twr: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1973 with 56.
Bear Mtn Twr: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1968 with 28.
Bear Mtn Twr: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1968 with 8.
Bear Mtn Twr: days with a maximum temperature at or above 30 C (86 F) in 18 years, most in 1972 with 129.
16 fixed thresholds have at least one qualifying day at Bear Mtn Twr.

Days at or above 30 C (86 F)

18 years with a qualifying day

Days per year at Bear Mtn Twr with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 129 in 1972.

Days at or above 30 C (86 F) per year at Bear Mtn Twr
Year	Days	Decade average
1960	106	105.9
1963	123	105.9
1964	107	105.9
1966	101	105.9
1967	93	105.9
1968	93	105.9
1969	118	105.9
1970	107	100.8
1971	94	100.8
1972	129	100.8
1973	92	100.8
1974	78	100.8
1976	76	100.8
1977	108	100.8
1978	121	100.8
1979	102	100.8
1981	98	101.5
1985	105	101.5

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

First to last qualifying date each year at Bear Mtn Twr
Year	First date	Last date
1960	1960-04-06	1960-10-01
1963	1963-04-22	1963-10-27
1964	1964-05-18	1964-09-21
1966	1966-03-31	1966-10-14
1967	1967-03-11	1967-10-06
1968	1968-05-14	1968-09-24
1969	1969-04-09	1969-10-20
1970	1970-05-19	1970-10-03
1971	1971-05-25	1971-10-01
1972	1972-04-07	1972-10-18
1973	1973-05-21	1973-10-04
1974	1974-03-31	1974-10-19
1976	1976-05-24	1976-10-03
1977	1977-05-25	1977-10-28
1978	1978-05-07	1978-10-31
1979	1979-06-08	1979-10-13
1981	1981-04-29	1981-10-06
1985	1985-04-18	1985-10-17

Every Fixed Threshold

Fixed thresholds at Bear Mtn Twr
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	18	129	1972	105
35 C (95 F): Days	18	59	1978	38
40 C (104 F): Days	11	9	1970	3
90 F (32.2 C): Days	18	97	1972	74
100 F (37.8 C): Days	16	33	1978	16
0 C (32 F): Ice days (max	14	10	1963	3
0 C (32 F): Frost days (min	18	88	1968	69
-10 C (14 F): Days with min	18	14	1963	10
20 C (68 F): Tropical nights (min	18	83	1964	61
25 C (77 F): Days with min	2	2	1963	1
10 mm (0.39 in): Days with 10 mm or more rain	34	56	1973	40
25 mm (0.98 in): Days with 25 mm or more rain	34	28	1968	15
50 mm (1.97 in): Days with 50 mm or more rain	33	8	1968	4
100 mm (3.94 in): Days with 100 mm or more rain	15	2	1950	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1971	1
10 cm (3.9 in): Days with 10 cm or more snowfall	6	2	1979	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

Data for Bear Mtn Twr 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).

Bear Mtn Twr Threshold Days by Year (USC00340584)

Key Facts for Bear Mtn Twr Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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