Built 2026-10-19 (19 October 2026)

Rugozero Threshold Days by Year (RSM00022518)

3 fixed thresholds counted per year at Rugozero (RSM00022518): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rugozero Thresholds

  • Rugozero: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1981 with 22.
  • Rugozero: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1970 with 3.
  • Rugozero: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1981 with 1.
  • 3 fixed thresholds have at least one qualifying day at Rugozero.
46 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Rugozero Days per year at Rugozero with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1981. 01020301938: 121939: 91940: 121946: 101947: 51948: 61949: 171950: 121951: 91953: 141954: 61955: 31956: 71957: 101958: 51961: 121962: 131963: 51964: 71965: 91967: 121968: 181969: 131970: 111971: 71972: 61973: 61975: 51977: 121978: 121979: 141981: 221982: 91983: 141984: 111985: 81986: 151987: 151988: 151989: 61990: 51991: 81992: 111993: 121994: 111995: 191938194819541961196719721979198519901995
Days per year at Rugozero with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1981.
Days with 10 mm (0.39 in) or more of precipitation per year at Rugozero
YearDaysDecade average
19381210.5
1939910.5
19401210
19461010
1947510
1948610
19491710
1950128.3
195198.3
1953148.3
195468.3
195538.3
195678.3
1957108.3
195858.3
19611211.1
19621311.1
1963511.1
1964711.1
1965911.1
19671211.1
19681811.1
19691311.1
1970119.1
197179.1
197269.1
197369.1
197559.1
1977129.1
1978129.1
1979149.1
19812212.8
1982912.8
19831412.8
19841112.8
1985812.8
19861512.8
19871512.8
19881512.8
1989612.8
1990511
1991811
19921111
19931211
19941111
19951911
First to last qualifying date each year at Rugozero For each year, a bar from the first to the last day at Rugozero meeting 10 mm (0.39 in). 1938: 10 June 1938 to 19 November 19381939: 28 June 1939 to 1 October 19391940: 4 June 1940 to 8 September 19401946: 2 June 1946 to 14 November 19461947: 4 July 1947 to 12 September 19471948: 8 May 1948 to 22 September 19481949: 7 May 1949 to 27 October 19491950: 6 April 1950 to 30 November 19501951: 16 June 1951 to 10 December 19511953: 19 May 1953 to 5 December 19531954: 27 June 1954 to 26 October 19541955: 20 June 1955 to 17 October 19551956: 28 June 1956 to 8 October 19561957: 9 January 1957 to 26 September 19571958: 25 June 1958 to 9 October 19581961: 31 January 1961 to 16 September 19611962: 23 April 1962 to 27 October 19621963: 7 January 1963 to 8 November 19631964: 22 April 1964 to 30 September 19641965: 1 July 1965 to 12 December 19651967: 5 May 1967 to 18 October 19671968: 31 March 1968 to 4 November 19681969: 11 April 1969 to 24 November 19691970: 5 April 1970 to 22 October 19701971: 21 April 1971 to 7 October 19711972: 23 May 1972 to 15 October 19721973: 7 May 1973 to 1 October 19731975: 13 May 1975 to 17 September 19751977: 20 May 1977 to 9 November 19771978: 14 March 1978 to 13 October 19781979: 7 May 1979 to 14 September 19791981: 3 May 1981 to 26 October 19811982: 8 April 1982 to 15 October 19821983: 14 January 1983 to 6 October 19831984: 8 May 1984 to 18 October 19841985: 3 April 1985 to 12 November 19851986: 26 May 1986 to 12 November 19861987: 7 February 1987 to 27 November 19871988: 5 May 1988 to 29 December 19881989: 30 April 1989 to 28 September 19891990: 25 January 1990 to 20 July 19901991: 8 June 1991 to 16 November 19911992: 4 April 1992 to 17 October 19921993: 3 June 1993 to 13 October 19931994: 27 May 1994 to 24 November 19941995: 30 January 1995 to 19 November 199519381949195619641971197919861992JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rugozero meeting 10 mm (0.39 in).
First to last qualifying date each year at Rugozero
YearFirst dateLast date
19381938-06-101938-11-19
19391939-06-281939-10-01
19401940-06-041940-09-08
19461946-06-021946-11-14
19471947-07-041947-09-12
19481948-05-081948-09-22
19491949-05-071949-10-27
19501950-04-061950-11-30
19511951-06-161951-12-10
19531953-05-191953-12-05
19541954-06-271954-10-26
19551955-06-201955-10-17
19561956-06-281956-10-08
19571957-01-091957-09-26
19581958-06-251958-10-09
19611961-01-311961-09-16
19621962-04-231962-10-27
19631963-01-071963-11-08
19641964-04-221964-09-30
19651965-07-011965-12-12
19671967-05-051967-10-18
19681968-03-311968-11-04
19691969-04-111969-11-24
19701970-04-051970-10-22
19711971-04-211971-10-07
19721972-05-231972-10-15
19731973-05-071973-10-01
19751975-05-131975-09-17
19771977-05-201977-11-09
19781978-03-141978-10-13
19791979-05-071979-09-14
19811981-05-031981-10-26
19821982-04-081982-10-15
19831983-01-141983-10-06
19841984-05-081984-10-18
19851985-04-031985-11-12
19861986-05-261986-11-12
19871987-02-071987-11-27
19881988-05-051988-12-29
19891989-04-301989-09-28
19901990-01-251990-07-20
19911991-06-081991-11-16
19921992-04-041992-10-17
19931993-06-031993-10-13
19941994-05-271994-11-24
19951995-01-301995-11-19

Every Fixed Threshold

Fixed thresholds at Rugozero
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4622198119
25 mm (0.98 in): Days with 25 mm or more rain25319702
50 mm (1.97 in): Days with 50 mm or more rain2119811

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1938.

Download the Data

  • Data for Rugozero 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).