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Built 2026-10-19 (19 October 2026)

Petrovsk Threshold Days by Year (RSM00034063)

3 fixed thresholds counted per year at Petrovsk (RSM00034063): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Petrovsk Thresholds

  • Petrovsk: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1985 with 20.
  • Petrovsk: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1985 with 5.
  • Petrovsk: days with 50 mm (1.97 in) or more of precipitation in 4 years, most in 1985 with 3.
  • 3 fixed thresholds have at least one qualifying day at Petrovsk.
32 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Petrovsk Days per year at Petrovsk with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1985. 051015201960: 61961: 51962: 71963: 161964: 111965: 31967: 101968: 61969: 111970: 151971: 91972: 91973: 101974: 71975: 81976: 161977: 91978: 101979: 81980: 91981: 81982: 141983: 121984: 121985: 201986: 61987: 81988: 71989: 181990: 171991: 81992: 1119601964196919731977198119851989
Days per year at Petrovsk with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1985.
Days with 10 mm (0.39 in) or more of precipitation per year at Petrovsk
YearDaysDecade average
196068.3
196158.3
196278.3
1963168.3
1964118.3
196538.3
1967108.3
196868.3
1969118.3
19701510.1
1971910.1
1972910.1
19731010.1
1974710.1
1975810.1
19761610.1
1977910.1
19781010.1
1979810.1
1980911.4
1981811.4
19821411.4
19831211.4
19841211.4
19852011.4
1986611.4
1987811.4
1988711.4
19891811.4
19901712
1991812
19921112
First to last qualifying date each year at Petrovsk For each year, a bar from the first to the last day at Petrovsk meeting 10 mm (0.39 in). 1960: 31 March 1960 to 16 November 19601961: 16 June 1961 to 8 September 19611962: 3 January 1962 to 25 July 19621963: 27 May 1963 to 28 December 19631964: 21 February 1964 to 29 December 19641965: 1 April 1965 to 10 May 19651967: 6 January 1967 to 27 December 19671968: 30 April 1968 to 20 October 19681969: 8 May 1969 to 19 December 19691970: 29 January 1970 to 11 November 19701971: 29 March 1971 to 5 October 19711972: 1 April 1972 to 26 November 19721973: 11 May 1973 to 1 November 19731974: 26 April 1974 to 1 December 19741975: 12 June 1975 to 8 December 19751976: 28 January 1976 to 14 October 19761977: 5 February 1977 to 23 September 19771978: 1 January 1978 to 27 October 19781979: 2 January 1979 to 7 October 19791980: 5 March 1980 to 25 December 19801981: 21 March 1981 to 10 December 19811982: 5 April 1982 to 14 October 19821983: 6 April 1983 to 12 November 19831984: 7 June 1984 to 23 November 19841985: 5 January 1985 to 30 November 19851986: 19 February 1986 to 22 December 19861987: 25 February 1987 to 22 September 19871988: 15 April 1988 to 9 September 19881989: 6 May 1989 to 24 November 19891990: 28 April 1990 to 18 November 19901991: 25 April 1991 to 12 November 19911992: 19 February 1992 to 8 October 199219601964196919731977198119851989JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Petrovsk meeting 10 mm (0.39 in).
First to last qualifying date each year at Petrovsk
YearFirst dateLast date
19601960-03-311960-11-16
19611961-06-161961-09-08
19621962-01-031962-07-25
19631963-05-271963-12-28
19641964-02-211964-12-29
19651965-04-011965-05-10
19671967-01-061967-12-27
19681968-04-301968-10-20
19691969-05-081969-12-19
19701970-01-291970-11-11
19711971-03-291971-10-05
19721972-04-011972-11-26
19731973-05-111973-11-01
19741974-04-261974-12-01
19751975-06-121975-12-08
19761976-01-281976-10-14
19771977-02-051977-09-23
19781978-01-011978-10-27
19791979-01-021979-10-07
19801980-03-051980-12-25
19811981-03-211981-12-10
19821982-04-051982-10-14
19831983-04-061983-11-12
19841984-06-071984-11-23
19851985-01-051985-11-30
19861986-02-191986-12-22
19871987-02-251987-09-22
19881988-04-151988-09-09
19891989-05-061989-11-24
19901990-04-281990-11-18
19911991-04-251991-11-12
19921992-02-191992-10-08

Every Fixed Threshold

Fixed thresholds at Petrovsk
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3220198511
25 mm (0.98 in): Days with 25 mm or more rain21519852
50 mm (1.97 in): Days with 50 mm or more rain4319851

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for Petrovsk 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).