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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

La Grande Threshold Days by Year (USC00454360)

12 fixed thresholds counted per year at La Grande (USC00454360): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for La Grande Thresholds

  • La Grande: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 1955 with 72.
  • La Grande: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1955 with 40.
  • La Grande: days with a maximum temperature at or above 30 C (86 F) in 27 years, most in 1958 with 35.
  • La Grande: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 1955 with 7.
  • 12 fixed thresholds have at least one qualifying day at La Grande.
27 years with a qualifying day
Days at or above 30 C (86 F) per year at La Grande Days per year at La Grande with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 35 in 1958. 0102030401955: 81956: 181957: 31958: 351959: 141960: 191961: 251962: 91963: 71964: 21965: 121966: 61967: 281968: 191969: 71970: 231971: 201972: 211973: 181974: 191975: 101977: 231978: 221979: 131980: 41981: 221982: 18195519581961196419671970197319771980
Days per year at La Grande with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 35 in 1958.
Days at or above 30 C (86 F) per year at La Grande
YearDaysDecade average
1955815.6
19561815.6
1957315.6
19583515.6
19591415.6
19601913.4
19612513.4
1962913.4
1963713.4
1964213.4
19651213.4
1966613.4
19672813.4
19681913.4
1969713.4
19702318.8
19712018.8
19722118.8
19731818.8
19741918.8
19751018.8
19772318.8
19782218.8
19791318.8
1980414.7
19812214.7
19821814.7
First to last qualifying date each year at La Grande For each year, a bar from the first to the last day at La Grande meeting 30 C (86 F). 1955: 8 June 1955 to 6 September 19551956: 17 May 1956 to 6 September 19561957: 13 September 1957 to 23 September 19571958: 18 May 1958 to 8 September 19581959: 19 June 1959 to 7 August 19591960: 5 July 1960 to 10 August 19601961: 19 May 1961 to 22 August 19611962: 22 July 1962 to 5 September 19621963: 19 May 1963 to 9 September 19631964: 11 August 1964 to 24 August 19641965: 30 June 1965 to 18 August 19651966: 15 June 1966 to 4 September 19661967: 19 June 1967 to 27 September 19671968: 25 June 1968 to 11 August 19681969: 23 May 1969 to 7 September 19691970: 1 June 1970 to 30 August 19701971: 11 May 1971 to 19 August 19711972: 27 May 1972 to 4 September 19721973: 13 May 1973 to 11 September 19731974: 28 July 1974 to 25 September 19741975: 1 June 1975 to 13 September 19751977: 17 June 1977 to 18 August 19771978: 2 June 1978 to 10 August 19781979: 2 June 1979 to 15 September 19791980: 21 July 1980 to 11 August 19801981: 3 July 1981 to 16 September 19811982: 18 June 1982 to 3 September 19821955195919631967197119751980JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at La Grande meeting 30 C (86 F).
First to last qualifying date each year at La Grande
YearFirst dateLast date
19551955-06-081955-09-06
19561956-05-171956-09-06
19571957-09-131957-09-23
19581958-05-181958-09-08
19591959-06-191959-08-07
19601960-07-051960-08-10
19611961-05-191961-08-22
19621962-07-221962-09-05
19631963-05-191963-09-09
19641964-08-111964-08-24
19651965-06-301965-08-18
19661966-06-151966-09-04
19671967-06-191967-09-27
19681968-06-251968-08-11
19691969-05-231969-09-07
19701970-06-011970-08-30
19711971-05-111971-08-19
19721972-05-271972-09-04
19731973-05-131973-09-11
19741974-07-281974-09-25
19751975-06-011975-09-13
19771977-06-171977-08-18
19781978-06-021978-08-10
19791979-06-021979-09-15
19801980-07-211980-08-11
19811981-07-031981-09-16
19821982-06-181982-09-03

Every Fixed Threshold

Fixed thresholds at La Grande
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2735195818
35 C (95 F): Days16619772
90 F (32.2 C): Days2417195810
100 F (37.8 C): Days2319813
0 C (32 F): Ice days (max211019722
0 C (32 F): Frost days (min2872195567
-10 C (14 F): Days with min17519551
20 C (68 F): Tropical nights (min3219812
10 mm (0.39 in): Days with 10 mm or more rain2840195528
25 mm (0.98 in): Days with 25 mm or more rain26719554
50 mm (1.97 in): Days with 50 mm or more rain3119621
10 cm (3.9 in): Days with 10 cm or more snowfall2119551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

  • Data for La Grande 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 . Last revised (2025-12-31).