Built 2026-10-19 (19 October 2026)

Ust-Ilimsk Threshold Days by Year (RSM00030117)

6 fixed thresholds counted per year at Ust-Ilimsk (RSM00030117): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ust-Ilimsk Thresholds

  • Ust-Ilimsk: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1946 with 14.
  • Ust-Ilimsk: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1967 with 4.
  • Ust-Ilimsk: days with a maximum temperature at or above 30 C (86 F) in 1 years, most in 1967 with 7.
  • Ust-Ilimsk: days with a maximum temperature at or above 90 F (32.2 C) in 1 years, most in 1967 with 3.
  • 6 fixed thresholds have at least one qualifying day at Ust-Ilimsk.
51 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Ust-Ilimsk Days per year at Ust-Ilimsk with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 14 in 1946. 0510151936: 81937: 61938: 41939: 31941: 31942: 61943: 61944: 61945: 81946: 141947: 71948: 91949: 121950: 71951: 61952: 81953: 61954: 41955: 81956: 61957: 41958: 61959: 61960: 61961: 51962: 81963: 81964: 41965: 51966: 61967: 71968: 71969: 31970: 31971: 71972: 71973: 31974: 61975: 51976: 61977: 101978: 61979: 61980: 61981: 71982: 81983: 91984: 41985: 41986: 71988: 5193619431949195519611967197319791985
Days per year at Ust-Ilimsk with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 14 in 1946.
Days with 10 mm (0.39 in) or more of precipitation per year at Ust-Ilimsk
YearDaysDecade average
193685.3
193765.3
193845.3
193935.3
194137.9
194267.9
194367.9
194467.9
194587.9
1946147.9
194777.9
194897.9
1949127.9
195076.1
195166.1
195286.1
195366.1
195446.1
195586.1
195666.1
195746.1
195866.1
195966.1
196065.9
196155.9
196285.9
196385.9
196445.9
196555.9
196665.9
196775.9
196875.9
196935.9
197035.9
197175.9
197275.9
197335.9
197465.9
197555.9
197665.9
1977105.9
197865.9
197965.9
198066.3
198176.3
198286.3
198396.3
198446.3
198546.3
198676.3
198856.3
First to last qualifying date each year at Ust-Ilimsk For each year, a bar from the first to the last day at Ust-Ilimsk meeting 10 mm (0.39 in). 1936: 8 June 1936 to 20 August 19361937: 5 July 1937 to 17 September 19371938: 28 May 1938 to 4 August 19381939: 28 June 1939 to 22 August 19391941: 10 July 1941 to 29 July 19411942: 27 May 1942 to 30 August 19421943: 19 May 1943 to 18 August 19431944: 28 May 1944 to 23 October 19441945: 13 January 1945 to 26 August 19451946: 24 May 1946 to 29 December 19461947: 27 June 1947 to 13 September 19471948: 26 June 1948 to 21 September 19481949: 16 June 1949 to 23 August 19491950: 1 June 1950 to 6 September 19501951: 22 May 1951 to 22 September 19511952: 27 June 1952 to 26 August 19521953: 12 June 1953 to 7 September 19531954: 18 June 1954 to 10 September 19541955: 29 June 1955 to 3 August 19551956: 17 June 1956 to 16 August 19561957: 30 May 1957 to 9 August 19571958: 24 June 1958 to 4 August 19581959: 19 April 1959 to 4 September 19591960: 25 June 1960 to 15 September 19601961: 15 March 1961 to 4 September 19611962: 5 June 1962 to 9 October 19621963: 22 May 1963 to 23 August 19631964: 26 June 1964 to 9 September 19641965: 10 June 1965 to 11 September 19651966: 3 June 1966 to 30 October 19661967: 16 May 1967 to 1 September 19671968: 7 July 1968 to 21 September 19681969: 21 May 1969 to 12 November 19691970: 28 June 1970 to 18 July 19701971: 2 June 1971 to 25 October 19711972: 3 July 1972 to 15 October 19721973: 27 June 1973 to 14 August 19731974: 14 June 1974 to 24 September 19741975: 14 July 1975 to 10 August 19751976: 13 July 1976 to 16 September 19761977: 24 May 1977 to 25 August 19771978: 10 June 1978 to 22 September 19781979: 23 June 1979 to 30 August 19791980: 4 June 1980 to 9 August 19801981: 24 May 1981 to 18 September 19811982: 24 April 1982 to 5 October 19821983: 19 April 1983 to 25 August 19831984: 9 May 1984 to 17 July 19841985: 29 May 1985 to 19 August 19851986: 22 June 1986 to 6 August 19861988: 5 July 1988 to 4 October 198819361944195119581965197219791986JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ust-Ilimsk meeting 10 mm (0.39 in).
First to last qualifying date each year at Ust-Ilimsk
YearFirst dateLast date
19361936-06-081936-08-20
19371937-07-051937-09-17
19381938-05-281938-08-04
19391939-06-281939-08-22
19411941-07-101941-07-29
19421942-05-271942-08-30
19431943-05-191943-08-18
19441944-05-281944-10-23
19451945-01-131945-08-26
19461946-05-241946-12-29
19471947-06-271947-09-13
19481948-06-261948-09-21
19491949-06-161949-08-23
19501950-06-011950-09-06
19511951-05-221951-09-22
19521952-06-271952-08-26
19531953-06-121953-09-07
19541954-06-181954-09-10
19551955-06-291955-08-03
19561956-06-171956-08-16
19571957-05-301957-08-09
19581958-06-241958-08-04
19591959-04-191959-09-04
19601960-06-251960-09-15
19611961-03-151961-09-04
19621962-06-051962-10-09
19631963-05-221963-08-23
19641964-06-261964-09-09
19651965-06-101965-09-11
19661966-06-031966-10-30
19671967-05-161967-09-01
19681968-07-071968-09-21
19691969-05-211969-11-12
19701970-06-281970-07-18
19711971-06-021971-10-25
19721972-07-031972-10-15
19731973-06-271973-08-14
19741974-06-141974-09-24
19751975-07-141975-08-10
19761976-07-131976-09-16
19771977-05-241977-08-25
19781978-06-101978-09-22
19791979-06-231979-08-30
19801980-06-041980-08-09
19811981-05-241981-09-18
19821982-04-241982-10-05
19831983-04-191983-08-25
19841984-05-091984-07-17
19851985-05-291985-08-19
19861986-06-221986-08-06
19881988-07-051988-10-04

Every Fixed Threshold

Fixed thresholds at Ust-Ilimsk
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1719677
90 F (32.2 C): Days1319673
0 C (32 F): Ice days (max11201967120
10 mm (0.39 in): Days with 10 mm or more rain511419465
25 mm (0.98 in): Days with 25 mm or more rain28419671
50 mm (1.97 in): Days with 50 mm or more rain20n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.

Download the Data

  • Data for Ust-Ilimsk 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).