Built 2026-10-19 (19 October 2026)

Sierra Ancha Threshold Days by Year (USC00027876)

16 fixed thresholds counted per year at Sierra Ancha (USC00027876): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sierra Ancha Thresholds

  • Sierra Ancha: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1978 with 37.
  • Sierra Ancha: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 1965 with 17.
  • Sierra Ancha: days with a maximum temperature at or above 30 C (86 F) in 45 years, most in 1938 with 126.
  • Sierra Ancha: days with a maximum temperature at or above 90 F (32.2 C) in 45 years, most in 1938 with 94.
  • 16 fixed thresholds have at least one qualifying day at Sierra Ancha.
45 years with a qualifying day
Days at or above 30 C (86 F) per year at Sierra Ancha Days per year at Sierra Ancha with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 126 in 1938. 0501001501915: 601916: 501917: 311936: 1071937: 1101938: 1261939: 951940: 1161941: 891942: 1171943: 1031944: 931945: 961946: 1041947: 1131948: 1031949: 941950: 841951: 981952: 981953: 1021954: 791955: 791956: 1111957: 901959: 941960: 1191961: 951962: 1051963: 821964: 611965: 981966: 1031967: 941968: 801969: 1101970: 961971: 871972: 1001973: 1021974: 931975: 831976: 481977: 741978: 74191519381943194819531959196419691974
Days per year at Sierra Ancha with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 126 in 1938.
Days at or above 30 C (86 F) per year at Sierra Ancha
YearDaysDecade average
19156047
19165047
19173147
1936107109.5
1937110109.5
1938126109.5
193995109.5
1940116102.8
194189102.8
1942117102.8
1943103102.8
194493102.8
194596102.8
1946104102.8
1947113102.8
1948103102.8
194994102.8
19508492.8
19519892.8
19529892.8
195310292.8
19547992.8
19557992.8
195611192.8
19579092.8
19599492.8
196011994.7
19619594.7
196210594.7
19638294.7
19646194.7
19659894.7
196610394.7
19679494.7
19688094.7
196911094.7
19709684.1
19718784.1
197210084.1
197310284.1
19749384.1
19758384.1
19764884.1
19777484.1
19787484.1
First to last qualifying date each year at Sierra Ancha For each year, a bar from the first to the last day at Sierra Ancha meeting 30 C (86 F). 1915: 31 May 1915 to 28 October 19151916: 5 May 1916 to 29 September 19161917: 8 June 1917 to 6 October 19171936: 15 April 1936 to 14 October 19361937: 15 April 1937 to 2 October 19371938: 28 April 1938 to 14 October 19381939: 22 April 1939 to 24 September 19391940: 1 May 1940 to 26 September 19401941: 7 May 1941 to 27 September 19411942: 20 May 1942 to 7 October 19421943: 3 April 1943 to 30 September 19431944: 13 May 1944 to 11 October 19441945: 12 June 1945 to 20 September 19451946: 18 April 1946 to 25 September 19461947: 1 May 1947 to 9 October 19471948: 15 April 1948 to 21 September 19481949: 23 April 1949 to 3 October 19491950: 20 May 1950 to 19 October 19501951: 25 May 1951 to 28 September 19511952: 5 June 1952 to 9 October 19521953: 9 June 1953 to 9 October 19531954: 2 June 1954 to 2 October 19541955: 20 May 1955 to 2 October 19551956: 17 May 1956 to 6 October 19561957: 28 May 1957 to 1 October 19571959: 11 May 1959 to 26 October 19591960: 10 May 1960 to 9 October 19601961: 30 April 1961 to 13 October 19611962: 18 April 1962 to 23 September 19621963: 8 May 1963 to 3 October 19631964: 15 May 1964 to 9 October 19641965: 19 May 1965 to 27 October 19651966: 6 May 1966 to 24 September 19661967: 16 May 1967 to 13 October 19671968: 27 May 1968 to 27 October 19681969: 18 May 1969 to 30 September 19691970: 16 May 1970 to 18 September 19701971: 16 May 1971 to 19 September 19711972: 3 May 1972 to 2 October 19721973: 18 May 1973 to 2 October 19731974: 11 May 1974 to 2 October 19741975: 14 May 1975 to 6 October 19751976: 18 June 1976 to 31 August 19761977: 30 May 1977 to 10 September 19771978: 13 May 1978 to 3 October 197819151939194519511957196419701976JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sierra Ancha meeting 30 C (86 F).
First to last qualifying date each year at Sierra Ancha
YearFirst dateLast date
19151915-05-311915-10-28
19161916-05-051916-09-29
19171917-06-081917-10-06
19361936-04-151936-10-14
19371937-04-151937-10-02
19381938-04-281938-10-14
19391939-04-221939-09-24
19401940-05-011940-09-26
19411941-05-071941-09-27
19421942-05-201942-10-07
19431943-04-031943-09-30
19441944-05-131944-10-11
19451945-06-121945-09-20
19461946-04-181946-09-25
19471947-05-011947-10-09
19481948-04-151948-09-21
19491949-04-231949-10-03
19501950-05-201950-10-19
19511951-05-251951-09-28
19521952-06-051952-10-09
19531953-06-091953-10-09
19541954-06-021954-10-02
19551955-05-201955-10-02
19561956-05-171956-10-06
19571957-05-281957-10-01
19591959-05-111959-10-26
19601960-05-101960-10-09
19611961-04-301961-10-13
19621962-04-181962-09-23
19631963-05-081963-10-03
19641964-05-151964-10-09
19651965-05-191965-10-27
19661966-05-061966-09-24
19671967-05-161967-10-13
19681968-05-271968-10-27
19691969-05-181969-09-30
19701970-05-161970-09-18
19711971-05-161971-09-19
19721972-05-031972-10-02
19731973-05-181973-10-02
19741974-05-111974-10-02
19751975-05-141975-10-06
19761976-06-181976-08-31
19771977-05-301977-09-10
19781978-05-131978-10-03

Every Fixed Threshold

Fixed thresholds at Sierra Ancha
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days45126193874
35 C (95 F): Days434819475
40 C (104 F): Days6319401
90 F (32.2 C): Days4594193820
100 F (37.8 C): Days3122194013
0 C (32 F): Ice days (max11419163
0 C (32 F): Frost days (min44190191766
-10 C (14 F): Days with min242519164
20 C (68 F): Tropical nights (min413219721
10 mm (0.39 in): Days with 10 mm or more rain4637197837
25 mm (0.98 in): Days with 25 mm or more rain4617196515
50 mm (1.97 in): Days with 50 mm or more rain27719787
100 mm (3.94 in): Days with 100 mm or more rain4119511
10 cm (3.9 in): Days with 10 cm or more snowfall28919151
25 cm (9.8 in): Days with 25 cm or more snowfall9519151
50 cm (19.7 in): Days with 50 cm or more snowfall1119171

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

  • Data for Sierra Ancha 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).