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Built 2026-10-19 (19 October 2026)

Arzamas Threshold Days by Year (RSM00027653)

10 fixed thresholds counted per year at Arzamas (RSM00027653): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arzamas Thresholds

  • Arzamas: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1979 with 18.
  • Arzamas: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1942 with 5.
  • Arzamas: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1983 with 1.
  • Arzamas: days with a maximum temperature at or above 30 C (86 F) in 2 years, most in 2020 with 6.
  • 10 fixed thresholds have at least one qualifying day at Arzamas.
55 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Arzamas Days per year at Arzamas with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1979. 051015201936: 81937: 131938: 51939: 41940: 21941: 101942: 101943: 101944: 131945: 101947: 91948: 71949: 91950: 91951: 61952: 161953: 101955: 51956: 81957: 81958: 121959: 101960: 51961: 121962: 111963: 91964: 91965: 111968: 71969: 91971: 111972: 81973: 101975: 71977: 141978: 131979: 181980: 91981: 51982: 101983: 61984: 121985: 61986: 81987: 71988: 71989: 111990: 81991: 81992: 101994: 171996: 62019: 112022: 132025: 61936194219491956196219711979198519912025
Days per year at Arzamas with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1979.
Days with 10 mm (0.39 in) or more of precipitation per year at Arzamas
YearDaysDecade average
193687.5
1937137.5
193857.5
193947.5
194028.9
1941108.9
1942108.9
1943108.9
1944138.9
1945108.9
194798.9
194878.9
194998.9
195099.3
195169.3
1952169.3
1953109.3
195559.3
195689.3
195789.3
1958129.3
1959109.3
196059.1
1961129.1
1962119.1
196399.1
196499.1
1965119.1
196879.1
196999.1
19711111.6
1972811.6
19731011.6
1975711.6
19771411.6
19781311.6
19791811.6
198098.1
198158.1
1982108.1
198368.1
1984128.1
198568.1
198688.1
198778.1
198878.1
1989118.1
199089.8
199189.8
1992109.8
1994179.8
199669.8
20191111
2022139.5
202569.5
First to last qualifying date each year at Arzamas For each year, a bar from the first to the last day at Arzamas meeting 10 mm (0.39 in). 1936: 29 June 1936 to 13 November 19361937: 31 May 1937 to 2 October 19371938: 18 May 1938 to 4 November 19381939: 7 July 1939 to 4 October 19391940: 16 July 1940 to 7 October 19401941: 22 April 1941 to 28 October 19411942: 5 May 1942 to 19 October 19421943: 30 March 1943 to 3 December 19431944: 8 May 1944 to 24 August 19441945: 18 June 1945 to 12 October 19451947: 30 April 1947 to 14 August 19471948: 7 May 1948 to 17 August 19481949: 22 May 1949 to 15 October 19491950: 11 July 1950 to 5 September 19501951: 13 April 1951 to 25 July 19511952: 1 May 1952 to 2 November 19521953: 7 May 1953 to 18 October 19531955: 14 January 1955 to 5 August 19551956: 14 May 1956 to 6 September 19561957: 16 April 1957 to 8 September 19571958: 26 April 1958 to 13 December 19581959: 18 May 1959 to 21 September 19591960: 24 July 1960 to 1 December 19601961: 9 April 1961 to 19 September 19611962: 10 May 1962 to 18 December 19621963: 14 June 1963 to 17 November 19631964: 3 June 1964 to 14 September 19641965: 10 May 1965 to 18 December 19651968: 1 June 1968 to 30 November 19681969: 1 June 1969 to 4 October 19691971: 2 January 1971 to 21 November 19711972: 25 April 1972 to 17 October 19721973: 26 February 1973 to 26 November 19731975: 18 April 1975 to 31 August 19751977: 23 February 1977 to 15 November 19771978: 19 February 1978 to 1 October 19781979: 5 January 1979 to 14 December 19791980: 13 May 1980 to 8 September 19801981: 12 June 1981 to 17 October 19811982: 8 January 1982 to 18 October 19821983: 24 June 1983 to 7 September 19831984: 20 April 1984 to 9 October 19841985: 2 June 1985 to 2 August 19851986: 28 March 1986 to 19 September 19861987: 13 May 1987 to 1 August 19871988: 25 April 1988 to 15 September 19881989: 12 May 1989 to 27 October 19891990: 29 May 1990 to 2 October 19901991: 10 May 1991 to 23 October 19911992: 19 April 1992 to 22 November 19921994: 22 March 1994 to 2 November 19941996: 31 May 1996 to 5 November 19962019: 2 May 2019 to 30 October 20192022: 17 April 2022 to 18 December 20222025: 8 April 2025 to 23 August 202519361943195119591968197819851992JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Arzamas meeting 10 mm (0.39 in).
First to last qualifying date each year at Arzamas
YearFirst dateLast date
19361936-06-291936-11-13
19371937-05-311937-10-02
19381938-05-181938-11-04
19391939-07-071939-10-04
19401940-07-161940-10-07
19411941-04-221941-10-28
19421942-05-051942-10-19
19431943-03-301943-12-03
19441944-05-081944-08-24
19451945-06-181945-10-12
19471947-04-301947-08-14
19481948-05-071948-08-17
19491949-05-221949-10-15
19501950-07-111950-09-05
19511951-04-131951-07-25
19521952-05-011952-11-02
19531953-05-071953-10-18
19551955-01-141955-08-05
19561956-05-141956-09-06
19571957-04-161957-09-08
19581958-04-261958-12-13
19591959-05-181959-09-21
19601960-07-241960-12-01
19611961-04-091961-09-19
19621962-05-101962-12-18
19631963-06-141963-11-17
19641964-06-031964-09-14
19651965-05-101965-12-18
19681968-06-011968-11-30
19691969-06-011969-10-04
19711971-01-021971-11-21
19721972-04-251972-10-17
19731973-02-261973-11-26
19751975-04-181975-08-31
19771977-02-231977-11-15
19781978-02-191978-10-01
19791979-01-051979-12-14
19801980-05-131980-09-08
19811981-06-121981-10-17
19821982-01-081982-10-18
19831983-06-241983-09-07
19841984-04-201984-10-09
19851985-06-021985-08-02
19861986-03-281986-09-19
19871987-05-131987-08-01
19881988-04-251988-09-15
19891989-05-121989-10-27
19901990-05-291990-10-02
19911991-05-101991-10-23
19921992-04-191992-11-22
19941994-03-221994-11-02
19961996-05-311996-11-05
20192019-05-022019-10-30
20222022-04-172022-12-18
20252025-04-082025-08-23

Every Fixed Threshold

Fixed thresholds at Arzamas
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2620209
35 C (95 F): Days2120201
90 F (32.2 C): Days2320204
0 C (32 F): Ice days (max245202026
0 C (32 F): Frost days (min10n/a68
-10 C (14 F): Days with min10n/a22
-20 C (-4 F): Days with min10n/a3
10 mm (0.39 in): Days with 10 mm or more rain551819796
25 mm (0.98 in): Days with 25 mm or more rain40519422
50 mm (1.97 in): Days with 50 mm or more rain5119831

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2020.

Download the Data

  • Data for Arzamas 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).