Built 2026-10-19 (19 October 2026)

Sierraville Rs Threshold Days by Year (USC00048218)

17 fixed thresholds counted per year at Sierraville Rs (USC00048218): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sierraville Rs Thresholds

  • Sierraville Rs: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 1940 with 32.
  • Sierraville Rs: days with 25 mm (0.98 in) or more of precipitation in 74 years, most in 1970 with 18.
  • Sierraville Rs: days with 10 cm (3.9 in) or more of snowfall in 74 years, most in 1952 with 18.
  • Sierraville Rs: days with a maximum temperature at or above 30 C (86 F) in 62 years, most in 1951 with 78.
  • 17 fixed thresholds have at least one qualifying day at Sierraville Rs.
62 years with a qualifying day
Days at or above 30 C (86 F) per year at Sierraville Rs Days per year at Sierraville Rs with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 78 in 1951. 0204060801910: 551911: 291912: 181913: 281914: 341915: 241916: 111917: 371918: 421919: 431920: 291921: 321922: 411923: 361924: 471925: 301926: 491927: 361928: 561929: 521930: 381931: 511932: 581933: 621934: 571935: 561936: 631937: 541938: 571939: 641940: 541941: 271942: 511943: 401945: 391947: 211948: 291949: 291950: 611951: 781952: 281953: 361954: 301956: 291957: 261958: 401959: 531960: 561961: 531962: 351963: 261964: 351965: 171966: 511967: 571968: 331969: 391970: 421971: 421972: 321974: 472026: 34191019171924193119381947195419621969
Days per year at Sierraville Rs with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 78 in 1951.
Days at or above 30 C (86 F) per year at Sierraville Rs
YearDaysDecade average
19105532.1
19112932.1
19121832.1
19132832.1
19143432.1
19152432.1
19161132.1
19173732.1
19184232.1
19194332.1
19202940.8
19213240.8
19224140.8
19233640.8
19244740.8
19253040.8
19264940.8
19273640.8
19285640.8
19295240.8
19303856
19315156
19325856
19336256
19345756
19355656
19366356
19375456
19385756
19396456
19405436.3
19412736.3
19425136.3
19434036.3
19453936.3
19472136.3
19482936.3
19492936.3
19506142.3
19517842.3
19522842.3
19533642.3
19543042.3
19562942.3
19572642.3
19584042.3
19595342.3
19605640.2
19615340.2
19623540.2
19632640.2
19643540.2
19651740.2
19665140.2
19675740.2
19683340.2
19693940.2
19704240.8
19714240.8
19723240.8
19744740.8
20263434
First to last qualifying date each year at Sierraville Rs For each year, a bar from the first to the last day at Sierraville Rs meeting 30 C (86 F). 1910: 22 May 1910 to 9 September 19101911: 10 June 1911 to 2 September 19111912: 2 June 1912 to 18 September 19121913: 5 July 1913 to 20 September 19131914: 29 May 1914 to 24 September 19141915: 28 June 1915 to 1 October 19151916: 15 June 1916 to 26 August 19161917: 2 July 1917 to 3 October 19171918: 9 June 1918 to 28 August 19181919: 25 May 1919 to 13 September 19191920: 20 June 1920 to 14 September 19201921: 6 July 1921 to 27 September 19211922: 24 June 1922 to 20 September 19221923: 27 June 1923 to 15 September 19231924: 15 May 1924 to 12 September 19241925: 18 June 1925 to 6 August 19251926: 2 June 1926 to 8 September 19261927: 20 June 1927 to 18 August 19271928: 5 June 1928 to 8 October 19281929: 21 June 1929 to 18 September 19291930: 9 June 1930 to 15 September 19301931: 1 July 1931 to 3 September 19311932: 20 June 1932 to 4 October 19321933: 29 May 1933 to 5 October 19331934: 29 June 1934 to 10 October 19341935: 5 June 1935 to 25 September 19351936: 25 May 1936 to 9 October 19361937: 24 June 1937 to 17 September 19371938: 3 June 1938 to 22 September 19381939: 28 May 1939 to 22 September 19391940: 10 June 1940 to 31 August 19401941: 5 July 1941 to 5 September 19411942: 29 June 1942 to 9 October 19421943: 9 July 1943 to 23 September 19431945: 4 May 1945 to 14 September 19451947: 18 June 1947 to 24 September 19471948: 28 June 1948 to 13 September 19481949: 9 June 1949 to 23 September 19491950: 21 May 1950 to 12 October 19501951: 26 May 1951 to 27 September 19511952: 27 May 1952 to 25 September 19521953: 2 July 1953 to 19 September 19531954: 18 May 1954 to 28 September 19541956: 26 June 1956 to 17 September 19561957: 24 June 1957 to 15 September 19571958: 17 June 1958 to 7 September 19581959: 13 May 1959 to 13 September 19591960: 3 June 1960 to 28 September 19601961: 14 June 1961 to 24 August 19611962: 21 June 1962 to 18 September 19621963: 20 May 1963 to 2 October 19631964: 24 June 1964 to 6 October 19641965: 5 July 1965 to 9 October 19651966: 26 May 1966 to 30 September 19661967: 22 May 1967 to 29 September 19671968: 17 June 1968 to 9 September 19681969: 4 June 1969 to 26 September 19691970: 2 June 1970 to 3 October 19701971: 14 July 1971 to 16 September 19711972: 29 May 1972 to 29 August 19721974: 11 June 1974 to 26 September 19742026: 15 June 2026 to 5 October 202619101918192619341942195219611969JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sierraville Rs meeting 30 C (86 F).
First to last qualifying date each year at Sierraville Rs
YearFirst dateLast date
19101910-05-221910-09-09
19111911-06-101911-09-02
19121912-06-021912-09-18
19131913-07-051913-09-20
19141914-05-291914-09-24
19151915-06-281915-10-01
19161916-06-151916-08-26
19171917-07-021917-10-03
19181918-06-091918-08-28
19191919-05-251919-09-13
19201920-06-201920-09-14
19211921-07-061921-09-27
19221922-06-241922-09-20
19231923-06-271923-09-15
19241924-05-151924-09-12
19251925-06-181925-08-06
19261926-06-021926-09-08
19271927-06-201927-08-18
19281928-06-051928-10-08
19291929-06-211929-09-18
19301930-06-091930-09-15
19311931-07-011931-09-03
19321932-06-201932-10-04
19331933-05-291933-10-05
19341934-06-291934-10-10
19351935-06-051935-09-25
19361936-05-251936-10-09
19371937-06-241937-09-17
19381938-06-031938-09-22
19391939-05-281939-09-22
19401940-06-101940-08-31
19411941-07-051941-09-05
19421942-06-291942-10-09
19431943-07-091943-09-23
19451945-05-041945-09-14
19471947-06-181947-09-24
19481948-06-281948-09-13
19491949-06-091949-09-23
19501950-05-211950-10-12
19511951-05-261951-09-27
19521952-05-271952-09-25
19531953-07-021953-09-19
19541954-05-181954-09-28
19561956-06-261956-09-17
19571957-06-241957-09-15
19581958-06-171958-09-07
19591959-05-131959-09-13
19601960-06-031960-09-28
19611961-06-141961-08-24
19621962-06-211962-09-18
19631963-05-201963-10-02
19641964-06-241964-10-06
19651965-07-051965-10-09
19661966-05-261966-09-30
19671967-05-221967-09-29
19681968-06-171968-09-09
19691969-06-041969-09-26
19701970-06-021970-10-03
19711971-07-141971-09-16
19721972-05-291972-08-29
19741974-06-111974-09-26
20262026-06-152026-10-05

Every Fixed Threshold

Fixed thresholds at Sierraville Rs
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days6278195134
35 C (95 F): Days482019392
40 C (104 F): Days1119281
90 F (32.2 C): Days6251195117
100 F (37.8 C): Days10319331
0 C (32 F): Ice days (max603919173
0 C (32 F): Frost days (min61260193660
-10 C (14 F): Days with min617819123
-20 C (-4 F): Days with min512519493
-30 C (-22 F): Days with min10519372
10 mm (0.39 in): Days with 10 mm or more rain743219406
25 mm (0.98 in): Days with 25 mm or more rain741819701
50 mm (1.97 in): Days with 50 mm or more rain53719401
100 mm (3.94 in): Days with 100 mm or more rain13219373
10 cm (3.9 in): Days with 10 cm or more snowfall741819521
25 cm (9.8 in): Days with 25 cm or more snowfall46719386
50 cm (19.7 in): Days with 50 cm or more snowfall9319521

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1910.

Download the Data

  • Data for Sierraville Rs 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 (2026-10-12).