Molalla Threshold Days by Year

15 fixed thresholds counted per year at Molalla (USC00355677): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Molalla Thresholds

Molalla: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1950 with 58.
Molalla: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1937 with 13.
Molalla: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 1976 with 80.
Molalla: days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 1967 with 57.
15 fixed thresholds have at least one qualifying day at Molalla.

Days at or above 30 C (86 F)

27 years with a qualifying day

Days per year at Molalla with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 57 in 1967.

Days at or above 30 C (86 F) per year at Molalla
Year	Days	Decade average
1949	21	21
1950	24	27.7
1951	36	27.7
1952	38	27.7
1953	17	27.7
1955	16	27.7
1956	24	27.7
1957	16	27.7
1958	50	27.7
1959	28	27.7
1960	23	26.3
1961	38	26.3
1962	24	26.3
1963	18	26.3
1964	15	26.3
1965	32	26.3
1966	20	26.3
1967	57	26.3
1968	18	26.3
1969	18	26.3
1970	32	24.7
1971	22	24.7
1972	35	24.7
1973	23	24.7
1974	31	24.7
1975	20	24.7
1976	10	24.7

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

First to last qualifying date each year at Molalla
Year	First date	Last date
1949	1949-06-05	1949-09-27
1950	1950-06-03	1950-09-21
1951	1951-06-20	1951-10-07
1952	1952-05-27	1952-10-06
1953	1953-05-04	1953-09-20
1955	1955-06-07	1955-09-06
1956	1956-05-16	1956-10-06
1957	1957-04-29	1957-09-23
1958	1958-05-17	1958-10-02
1959	1959-05-12	1959-09-10
1960	1960-06-23	1960-09-29
1961	1961-05-19	1961-09-13
1962	1962-07-07	1962-09-17
1963	1963-05-17	1963-09-27
1964	1964-07-07	1964-10-05
1965	1965-06-29	1965-09-24
1966	1966-06-15	1966-10-04
1967	1967-05-20	1967-09-28
1968	1968-06-25	1968-09-05
1969	1969-05-07	1969-09-11
1970	1970-05-25	1970-10-02
1971	1971-05-11	1971-08-28
1972	1972-05-26	1972-09-14
1973	1973-05-13	1973-09-10
1974	1974-06-12	1974-09-25
1975	1975-05-31	1975-09-30
1976	1976-06-18	1976-10-07

Every Fixed Threshold

Fixed thresholds at Molalla
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	27	57	1967	10
35 C (95 F): Days	25	16	1967	4
40 C (104 F): Days	7	2	1961	1
90 F (32.2 C): Days	27	33	1967	1
100 F (37.8 C): Days	13	7	1967	1
0 C (32 F): Ice days (max	21	13	1950	1
0 C (32 F): Frost days (min	28	80	1976	80
-10 C (14 F): Days with min	18	12	1949	7
-20 C (-4 F): Days with min	1	3	1950	3
20 C (68 F): Tropical nights (min	2	1	1971	1
10 mm (0.39 in): Days with 10 mm or more rain	40	58	1950	31
25 mm (0.98 in): Days with 25 mm or more rain	40	13	1937	3
50 mm (1.97 in): Days with 50 mm or more rain	27	3	1949	2
10 cm (3.9 in): Days with 10 cm or more snowfall	11	3	1937	1
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1937	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

Data for Molalla 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Molalla Threshold Days by Year

Key Facts for Molalla Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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