Built 2026-10-19 (19 October 2026)

Nespelem 2 S Threshold Days by Year (USC00455832)

18 fixed thresholds counted per year at Nespelem 2 S (USC00455832): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Nespelem 2 S Thresholds

  • Nespelem 2 S: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1941 with 18.
  • Nespelem 2 S: nights with a minimum temperature at or below 0 C (32 F) in 43 years, most in 1960 with 196.
  • Nespelem 2 S: nights with a minimum temperature at or below -10 C (14 F) in 42 years, most in 1922 with 69.
  • Nespelem 2 S: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 1958 with 74.
  • 18 fixed thresholds have at least one qualifying day at Nespelem 2 S.
39 years with a qualifying day
Days at or above 30 C (86 F) per year at Nespelem 2 S Days per year at Nespelem 2 S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 74 in 1958. 0204060801917: 451920: 441921: 351922: 551923: 401924: 531925: 571927: 351928: 481929: 501930: 421931: 531932: 351933: 351934: 571936: 521939: 511940: 671941: 431942: 491943: 551949: 541950: 541951: 501952: 521954: 331955: 501956: 501957: 431958: 741959: 421960: 571961: 741962: 541963: 641964: 301965: 481972: 551982: 481917192319281932193919431952195719611965
Days per year at Nespelem 2 S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 74 in 1958.
Days at or above 30 C (86 F) per year at Nespelem 2 S
YearDaysDecade average
19174545
19204446.3
19213546.3
19225546.3
19234046.3
19245346.3
19255746.3
19273546.3
19284846.3
19295046.3
19304246.4
19315346.4
19323546.4
19333546.4
19345746.4
19365246.4
19395146.4
19406753.6
19414353.6
19424953.6
19435553.6
19495453.6
19505449.8
19515049.8
19525249.8
19543349.8
19555049.8
19565049.8
19574349.8
19587449.8
19594249.8
19605754.5
19617454.5
19625454.5
19636454.5
19643054.5
19654854.5
19725555
19824848
First to last qualifying date each year at Nespelem 2 S For each year, a bar from the first to the last day at Nespelem 2 S meeting 30 C (86 F). 1917: 14 June 1917 to 26 September 19171920: 21 June 1920 to 4 September 19201921: 18 May 1921 to 30 August 19211922: 31 May 1922 to 19 September 19221923: 28 June 1923 to 14 September 19231924: 10 May 1924 to 15 September 19241925: 16 June 1925 to 3 September 19251927: 6 June 1927 to 24 August 19271928: 20 May 1928 to 23 September 19281929: 20 May 1929 to 16 September 19291930: 15 June 1930 to 4 September 19301931: 12 May 1931 to 3 September 19311932: 11 June 1932 to 6 September 19321933: 4 June 1933 to 27 August 19331934: 20 April 1934 to 6 September 19341936: 17 April 1936 to 21 September 19361939: 12 May 1939 to 21 September 19391940: 22 May 1940 to 12 September 19401941: 11 June 1941 to 22 August 19411942: 28 June 1942 to 24 September 19421943: 28 June 1943 to 8 October 19431949: 9 May 1949 to 9 September 19491950: 11 June 1950 to 23 September 19501951: 22 May 1951 to 19 September 19511952: 9 June 1952 to 26 September 19521954: 18 May 1954 to 31 August 19541955: 9 June 1955 to 19 September 19551956: 17 May 1956 to 18 September 19561957: 29 May 1957 to 25 September 19571958: 18 May 1958 to 10 September 19581959: 2 June 1959 to 13 September 19591960: 13 June 1960 to 15 September 19601961: 25 May 1961 to 5 September 19611962: 15 June 1962 to 27 September 19621963: 23 May 1963 to 30 September 19631964: 26 June 1964 to 24 August 19641965: 3 June 1965 to 22 August 19651972: 28 May 1972 to 17 September 19721982: 11 June 1982 to 9 September 198219171924193019361943195419591964JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Nespelem 2 S meeting 30 C (86 F).
First to last qualifying date each year at Nespelem 2 S
YearFirst dateLast date
19171917-06-141917-09-26
19201920-06-211920-09-04
19211921-05-181921-08-30
19221922-05-311922-09-19
19231923-06-281923-09-14
19241924-05-101924-09-15
19251925-06-161925-09-03
19271927-06-061927-08-24
19281928-05-201928-09-23
19291929-05-201929-09-16
19301930-06-151930-09-04
19311931-05-121931-09-03
19321932-06-111932-09-06
19331933-06-041933-08-27
19341934-04-201934-09-06
19361936-04-171936-09-21
19391939-05-121939-09-21
19401940-05-221940-09-12
19411941-06-111941-08-22
19421942-06-281942-09-24
19431943-06-281943-10-08
19491949-05-091949-09-09
19501950-06-111950-09-23
19511951-05-221951-09-19
19521952-06-091952-09-26
19541954-05-181954-08-31
19551955-06-091955-09-19
19561956-05-171956-09-18
19571957-05-291957-09-25
19581958-05-181958-09-10
19591959-06-021959-09-13
19601960-06-131960-09-15
19611961-05-251961-09-05
19621962-06-151962-09-27
19631963-05-231963-09-30
19641964-06-261964-08-24
19651965-06-031965-08-22
19721972-05-281972-09-17
19821982-06-111982-09-09

Every Fixed Threshold

Fixed thresholds at Nespelem 2 S
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3974195848
35 C (95 F): Days382519588
40 C (104 F): Days8419517
90 F (32.2 C): Days3955195825
100 F (37.8 C): Days25719603
110 F (43.3 C): Days1119611
0 C (32 F): Ice days (max3971192231
0 C (32 F): Frost days (min431961960179
-10 C (14 F): Days with min4269192246
-20 C (-4 F): Days with min343019497
-30 C (-22 F): Days with min7919501
20 C (68 F): Tropical nights (min12519601
25 C (77 F): Days with min2119491
10 mm (0.39 in): Days with 10 mm or more rain641819415
25 mm (0.98 in): Days with 25 mm or more rain25219401
50 mm (1.97 in): Days with 50 mm or more rain1119581
10 cm (3.9 in): Days with 10 cm or more snowfall33319571
25 cm (9.8 in): Days with 25 cm or more snowfall10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.

Download the Data

  • Data for Nespelem 2 S 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).