Built 2026-10-19 (19 October 2026)

Silverton Post Office Threshold Days by Year (ASN00047030)

4 fixed thresholds counted per year at Silverton Post Office (ASN00047030): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Silverton Post Office Thresholds

  • Silverton Post Office: days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 1974 with 20.
  • Silverton Post Office: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 1889 with 7.
  • Silverton Post Office: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1937 with 2.
  • Silverton Post Office: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1933 with 1.
  • 4 fixed thresholds have at least one qualifying day at Silverton Post Office.
76 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Silverton Post Office Days per year at Silverton Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1974. 051015201884: 41888: 41889: 161890: 81891: 71892: 101893: 71894: 111895: 81896: 51897: 21898: 81899: 51900: 61901: 51902: 21903: 101904: 71905: 61906: 91907: 61916: 61917: 131918: 51919: 111923: 41928: 71929: 41930: 71931: 101932: 51933: 41934: 61935: 11936: 51937: 71938: 61939: 71940: 11941: 41942: 71943: 31944: 41945: 81946: 91947: 81948: 31949: 81950: 101951: 31952: 91953: 51954: 81955: 111956: 121957: 41958: 111959: 21960: 81961: 91963: 51964: 71965: 21966: 61967: 11968: 81969: 41970: 41971: 61972: 71973: 91974: 201975: 101976: 41977: 51978: 101884189519031919193419421950195819671975
Days per year at Silverton Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Silverton Post Office
YearDaysDecade average
188448
188848
1889168
189087.1
189177.1
1892107.1
189377.1
1894117.1
189587.1
189657.1
189727.1
189887.1
189957.1
190066.4
190156.4
190226.4
1903106.4
190476.4
190566.4
190696.4
190766.4
191668.8
1917138.8
191858.8
1919118.8
192345
192875
192945
193075.8
1931105.8
193255.8
193345.8
193465.8
193515.8
193655.8
193775.8
193865.8
193975.8
194015.5
194145.5
194275.5
194335.5
194445.5
194585.5
194695.5
194785.5
194835.5
194985.5
1950107.5
195137.5
195297.5
195357.5
195487.5
1955117.5
1956127.5
195747.5
1958117.5
195927.5
196085.6
196195.6
196355.6
196475.6
196525.6
196665.6
196715.6
196885.6
196945.6
197048.3
197168.3
197278.3
197398.3
1974208.3
1975108.3
197648.3
197758.3
1978108.3
First to last qualifying date each year at Silverton Post Office For each year, a bar from the first to the last day at Silverton Post Office meeting 10 mm (0.39 in). 1884: 13 May 1884 to 15 November 18841888: 5 February 1888 to 20 September 18881889: 1 January 1889 to 15 November 18891890: 24 January 1890 to 13 November 18901891: 4 January 1891 to 30 October 18911892: 22 January 1892 to 10 November 18921893: 8 April 1893 to 12 November 18931894: 29 January 1894 to 27 December 18941895: 4 January 1895 to 30 November 18951896: 25 February 1896 to 17 September 18961897: 9 January 1897 to 18 June 18971898: 10 February 1898 to 22 December 18981899: 19 January 1899 to 15 October 18991900: 19 January 1900 to 17 November 19001901: 13 February 1901 to 25 August 19011902: 6 December 1902 to 17 December 19021903: 3 February 1903 to 29 December 19031904: 30 April 1904 to 2 November 19041905: 9 April 1905 to 10 July 19051906: 27 February 1906 to 28 September 19061907: 1 June 1907 to 27 December 19071916: 14 May 1916 to 23 October 19161917: 12 January 1917 to 21 November 19171918: 5 March 1918 to 7 October 19181919: 3 February 1919 to 28 December 19191923: 3 June 1923 to 19 December 19231928: 11 February 1928 to 24 July 19281929: 4 April 1929 to 27 December 19291930: 11 May 1930 to 7 December 19301931: 13 March 1931 to 17 October 19311932: 8 February 1932 to 30 November 19321933: 16 February 1933 to 27 November 19331934: 3 July 1934 to 7 November 19341935: 21 October 1935 to 21 October 19351936: 1 January 1936 to 25 October 19361937: 9 January 1937 to 1 December 19371938: 23 May 1938 to 24 October 19381939: 17 February 1939 to 4 November 19391940: 23 April 1940 to 23 April 19401941: 3 January 1941 to 25 January 19411942: 16 February 1942 to 29 October 19421943: 18 February 1943 to 23 October 19431944: 6 February 1944 to 21 December 19441945: 21 June 1945 to 27 December 19451946: 17 January 1946 to 28 December 19461947: 9 February 1947 to 4 November 19471948: 11 April 1948 to 24 December 19481949: 20 February 1949 to 12 November 19491950: 2 February 1950 to 20 December 19501951: 7 June 1951 to 26 November 19511952: 25 January 1952 to 27 October 19521953: 6 January 1953 to 15 October 19531954: 29 January 1954 to 3 December 19541955: 9 February 1955 to 23 September 19551956: 17 January 1956 to 10 September 19561957: 7 February 1957 to 29 December 19571958: 31 January 1958 to 30 November 19581959: 18 May 1959 to 9 October 19591960: 4 January 1960 to 18 November 19601961: 1 January 1961 to 13 December 19611963: 14 January 1963 to 30 December 19631964: 23 August 1964 to 16 October 19641965: 31 May 1965 to 22 June 19651966: 13 January 1966 to 13 December 19661967: 25 February 1967 to 25 February 19671968: 16 January 1968 to 2 July 19681969: 14 January 1969 to 24 March 19691970: 22 April 1970 to 26 December 19701971: 8 March 1971 to 4 September 19711972: 8 January 1972 to 16 October 19721973: 20 February 1973 to 30 December 19731974: 12 January 1974 to 17 October 19741975: 13 July 1975 to 28 December 19751976: 12 January 1976 to 17 October 19761977: 13 May 1977 to 29 November 19771978: 5 June 1978 to 19 November 197818841897190719321942195219631973JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Silverton Post Office meeting 10 mm (0.39 in).
First to last qualifying date each year at Silverton Post Office
YearFirst dateLast date
18841884-05-131884-11-15
18881888-02-051888-09-20
18891889-01-011889-11-15
18901890-01-241890-11-13
18911891-01-041891-10-30
18921892-01-221892-11-10
18931893-04-081893-11-12
18941894-01-291894-12-27
18951895-01-041895-11-30
18961896-02-251896-09-17
18971897-01-091897-06-18
18981898-02-101898-12-22
18991899-01-191899-10-15
19001900-01-191900-11-17
19011901-02-131901-08-25
19021902-12-061902-12-17
19031903-02-031903-12-29
19041904-04-301904-11-02
19051905-04-091905-07-10
19061906-02-271906-09-28
19071907-06-011907-12-27
19161916-05-141916-10-23
19171917-01-121917-11-21
19181918-03-051918-10-07
19191919-02-031919-12-28
19231923-06-031923-12-19
19281928-02-111928-07-24
19291929-04-041929-12-27
19301930-05-111930-12-07
19311931-03-131931-10-17
19321932-02-081932-11-30
19331933-02-161933-11-27
19341934-07-031934-11-07
19351935-10-211935-10-21
19361936-01-011936-10-25
19371937-01-091937-12-01
19381938-05-231938-10-24
19391939-02-171939-11-04
19401940-04-231940-04-23
19411941-01-031941-01-25
19421942-02-161942-10-29
19431943-02-181943-10-23
19441944-02-061944-12-21
19451945-06-211945-12-27
19461946-01-171946-12-28
19471947-02-091947-11-04
19481948-04-111948-12-24
19491949-02-201949-11-12
19501950-02-021950-12-20
19511951-06-071951-11-26
19521952-01-251952-10-27
19531953-01-061953-10-15
19541954-01-291954-12-03
19551955-02-091955-09-23
19561956-01-171956-09-10
19571957-02-071957-12-29
19581958-01-311958-11-30
19591959-05-181959-10-09
19601960-01-041960-11-18
19611961-01-011961-12-13
19631963-01-141963-12-30
19641964-08-231964-10-16
19651965-05-311965-06-22
19661966-01-131966-12-13
19671967-02-251967-02-25
19681968-01-161968-07-02
19691969-01-141969-03-24
19701970-04-221970-12-26
19711971-03-081971-09-04
19721972-01-081972-10-16
19731973-02-201973-12-30
19741974-01-121974-10-17
19751975-07-131975-12-28
19761976-01-121976-10-17
19771977-05-131977-11-29
19781978-06-051978-11-19

Every Fixed Threshold

Fixed thresholds at Silverton Post Office
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain7620197410
25 mm (0.98 in): Days with 25 mm or more rain60718893
50 mm (1.97 in): Days with 50 mm or more rain18219371
100 mm (3.94 in): Days with 100 mm or more rain2119331

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1884.

Download the Data

  • Data for Silverton Post Office 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).