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

Vollmers Threshold Days by Year (USC00049386)

8 fixed thresholds counted per year at Vollmers (USC00049386): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vollmers Thresholds

  • Vollmers: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1973 with 62.
  • Vollmers: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1940 with 34.
  • Vollmers: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 1940 with 20.
  • Vollmers: days with 100 mm (3.94 in) or more of precipitation in 27 years, most in 1973 with 7.
  • 8 fixed thresholds have at least one qualifying day at Vollmers.
31 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Vollmers Days per year at Vollmers with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 62 in 1973. 0204060801939: 291940: 541943: 251944: 431946: 241947: 341948: 491949: 281950: 411951: 421952: 501953: 431954: 451955: 351956: 341957: 481958: 571959: 271960: 451961: 431962: 351963: 431964: 321965: 331966: 381967: 371968: 371969: 471972: 431973: 621974: 4219391946195019541958196219661972
Days per year at Vollmers with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 62 in 1973.
Days with 10 mm (0.39 in) or more of precipitation per year at Vollmers
YearDaysDecade average
19392929
19405436.7
19432536.7
19444336.7
19462436.7
19473436.7
19484936.7
19492836.7
19504142.2
19514242.2
19525042.2
19534342.2
19544542.2
19553542.2
19563442.2
19574842.2
19585742.2
19592742.2
19604539
19614339
19623539
19634339
19643239
19653339
19663839
19673739
19683739
19694739
19724349
19736249
19744249
First to last qualifying date each year at Vollmers For each year, a bar from the first to the last day at Vollmers meeting 10 mm (0.39 in). 1939: 3 January 1939 to 31 December 19391940: 1 January 1940 to 26 December 19401943: 2 January 1943 to 30 December 19431944: 1 January 1944 to 29 December 19441946: 2 January 1946 to 8 December 19461947: 28 January 1947 to 22 December 19471948: 2 January 1948 to 29 December 19481949: 1 January 1949 to 17 December 19491950: 8 January 1950 to 15 December 19501951: 10 January 1951 to 28 December 19511952: 6 January 1952 to 30 December 19521953: 6 January 1953 to 20 December 19531954: 3 January 1954 to 29 December 19541955: 16 January 1955 to 27 December 19551956: 1 January 1956 to 30 October 19561957: 12 January 1957 to 28 December 19571958: 2 January 1958 to 27 December 19581959: 5 January 1959 to 24 December 19591960: 8 January 1960 to 19 December 19601961: 23 January 1961 to 21 December 19611962: 19 January 1962 to 17 December 19621963: 30 January 1963 to 20 December 19631964: 18 January 1964 to 30 December 19641965: 3 January 1965 to 29 December 19651966: 3 January 1966 to 14 December 19661967: 20 January 1967 to 18 December 19671968: 10 January 1968 to 28 December 19681969: 12 January 1969 to 24 December 19691972: 19 January 1972 to 24 December 19721973: 9 January 1973 to 29 December 19731974: 12 January 1974 to 28 December 197419391946195019541958196219661972JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Vollmers meeting 10 mm (0.39 in).
First to last qualifying date each year at Vollmers
YearFirst dateLast date
19391939-01-031939-12-31
19401940-01-011940-12-26
19431943-01-021943-12-30
19441944-01-011944-12-29
19461946-01-021946-12-08
19471947-01-281947-12-22
19481948-01-021948-12-29
19491949-01-011949-12-17
19501950-01-081950-12-15
19511951-01-101951-12-28
19521952-01-061952-12-30
19531953-01-061953-12-20
19541954-01-031954-12-29
19551955-01-161955-12-27
19561956-01-011956-10-30
19571957-01-121957-12-28
19581958-01-021958-12-27
19591959-01-051959-12-24
19601960-01-081960-12-19
19611961-01-231961-12-21
19621962-01-191962-12-17
19631963-01-301963-12-20
19641964-01-181964-12-30
19651965-01-031965-12-29
19661966-01-031966-12-14
19671967-01-201967-12-18
19681968-01-101968-12-28
19691969-01-121969-12-24
19721972-01-191972-12-24
19731973-01-091973-12-29
19741974-01-121974-12-28

Every Fixed Threshold

Fixed thresholds at Vollmers
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3162197342
25 mm (0.98 in): Days with 25 mm or more rain3134194023
50 mm (1.97 in): Days with 50 mm or more rain3120194015
100 mm (3.94 in): Days with 100 mm or more rain27719732
200 mm (7.87 in): Days with 200 mm or more rain2119401
10 cm (3.9 in): Days with 10 cm or more snowfall17819502
25 cm (9.8 in): Days with 25 cm or more snowfall10419501
50 cm (19.7 in): Days with 50 cm or more snowfall1219502

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

  • Data for Vollmers 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).