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Built 2026-10-19 (19 October 2026)

Petersburg 2 N Threshold Days by Year (USC00327027)

16 fixed thresholds counted per year at Petersburg 2 N (USC00327027): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Petersburg 2 N Thresholds

  • Petersburg 2 N: days with 10 mm (0.39 in) or more of precipitation in 81 years, most in 1982 with 27.
  • Petersburg 2 N: days with 25 mm (0.98 in) or more of precipitation in 80 years, most in 1962 with 7.
  • Petersburg 2 N: days with a maximum temperature at or above 30 C (86 F) in 74 years, most in 1988 with 44.
  • Petersburg 2 N: days with a maximum temperature at or above 90 F (32.2 C) in 74 years, most in 1983 with 24.
  • 16 fixed thresholds have at least one qualifying day at Petersburg 2 N.
74 years with a qualifying day
Days at or above 30 C (86 F) per year at Petersburg 2 N Days per year at Petersburg 2 N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 44 in 1988. 02040601944: 171946: 201947: 281948: 241949: 261951: 111952: 351953: 261954: 201955: 351957: 201958: 141959: 311960: 261961: 331962: 101963: 291965: 71966: 221967: 221968: 51969: 231970: 261971: 131972: 181973: 201974: 121975: 121976: 281977: 171979: 151980: 281981: 121982: 91983: 421984: 231985: 61986: 251987: 201988: 441989: 321990: 281991: 241992: 111993: 71994: 51995: 151996: 161997: 111998: 251999: 122000: 172001: 252002: 242003: 182004: 62005: 192006: 282007: 152008: 42009: 62010: 132011: 82012: 282013: 172014: 62015: 132018: 232019: 122020: 152021: 312022: 122024: 72026: 291944195419631972198119891997200520132024
Days per year at Petersburg 2 N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 44 in 1988.
Days at or above 30 C (86 F) per year at Petersburg 2 N
YearDaysDecade average
19441723
19462023
19472823
19482423
19492623
19511124
19523524
19532624
19542024
19553524
19572024
19581424
19593124
19602619.7
19613319.7
19621019.7
19632919.7
1965719.7
19662219.7
19672219.7
1968519.7
19692319.7
19702617.9
19711317.9
19721817.9
19732017.9
19741217.9
19751217.9
19762817.9
19771717.9
19791517.9
19802824.1
19811224.1
1982924.1
19834224.1
19842324.1
1985624.1
19862524.1
19872024.1
19884424.1
19893224.1
19902815.4
19912415.4
19921115.4
1993715.4
1994515.4
19951515.4
19961615.4
19971115.4
19982515.4
19991215.4
20001716.2
20012516.2
20022416.2
20031816.2
2004616.2
20051916.2
20062816.2
20071516.2
2008416.2
2009616.2
20101315
2011815
20122815
20131715
2014615
20151315
20182315
20191215
20201518.8
20213118.8
20221218.8
2024718.8
20262918.8
First to last qualifying date each year at Petersburg 2 N For each year, a bar from the first to the last day at Petersburg 2 N meeting 30 C (86 F). 1944: 29 May 1944 to 12 August 19441946: 11 June 1946 to 20 August 19461947: 3 July 1947 to 5 September 19471948: 19 May 1948 to 11 September 19481949: 11 June 1949 to 25 September 19491951: 24 May 1951 to 1 August 19511952: 26 April 1952 to 28 September 19521953: 11 June 1953 to 10 September 19531954: 14 June 1954 to 1 September 19541955: 2 May 1955 to 5 September 19551957: 1 July 1957 to 10 August 19571958: 28 June 1958 to 23 September 19581959: 3 June 1959 to 9 September 19591960: 7 July 1960 to 2 September 19601961: 4 June 1961 to 31 August 19611962: 27 June 1962 to 2 September 19621963: 24 June 1963 to 4 October 19631965: 22 July 1965 to 14 August 19651966: 22 May 1966 to 13 September 19661967: 4 June 1967 to 8 September 19671968: 3 June 1968 to 15 September 19681969: 15 May 1969 to 18 September 19691970: 18 May 1970 to 6 October 19701971: 25 July 1971 to 4 September 19711972: 17 May 1972 to 31 August 19721973: 2 June 1973 to 31 August 19731974: 27 June 1974 to 27 September 19741975: 5 July 1975 to 25 August 19751976: 15 May 1976 to 1 October 19761977: 10 April 1977 to 24 July 19771979: 14 June 1979 to 17 September 19791980: 21 April 1980 to 8 September 19801981: 6 July 1981 to 13 September 19811982: 21 July 1982 to 11 September 19821983: 11 June 1983 to 28 September 19831984: 17 May 1984 to 29 August 19841985: 30 April 1985 to 14 July 19851986: 5 May 1986 to 25 August 19861987: 29 April 1987 to 11 August 19871988: 19 May 1988 to 25 August 19881989: 20 June 1989 to 1 October 19891990: 22 April 1990 to 12 September 19901991: 13 May 1991 to 8 September 19911992: 1 May 1992 to 2 October 19921993: 14 May 1993 to 25 August 19931994: 19 May 1994 to 10 September 19941995: 15 June 1995 to 5 September 19951996: 10 June 1996 to 9 September 19961997: 2 June 1997 to 27 August 19971998: 26 June 1998 to 18 September 19981999: 29 May 1999 to 1 September 19992000: 8 June 2000 to 28 August 20002001: 25 June 2001 to 6 September 20012002: 29 May 2002 to 18 September 20022003: 14 April 2003 to 8 September 20032004: 11 July 2004 to 20 September 20042005: 19 April 2005 to 5 September 20052006: 24 May 2006 to 16 September 20062007: 12 June 2007 to 24 September 20072008: 2 July 2008 to 1 September 20082009: 20 June 2009 to 14 August 20092010: 29 May 2010 to 28 August 20102011: 1 July 2011 to 6 October 20112012: 18 May 2012 to 2 September 20122013: 14 May 2013 to 7 September 20132014: 25 May 2014 to 22 July 20142015: 16 July 2015 to 12 October 20152018: 25 May 2018 to 17 August 20182019: 31 May 2019 to 21 September 20192020: 2 June 2020 to 20 August 20202021: 3 June 2021 to 28 September 20212022: 19 June 2022 to 2 September 20222024: 26 June 2024 to 10 September 20242026: 26 May 2026 to 8 August 202619441957196819791989199920092021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Petersburg 2 N meeting 30 C (86 F).
First to last qualifying date each year at Petersburg 2 N
YearFirst dateLast date
19441944-05-291944-08-12
19461946-06-111946-08-20
19471947-07-031947-09-05
19481948-05-191948-09-11
19491949-06-111949-09-25
19511951-05-241951-08-01
19521952-04-261952-09-28
19531953-06-111953-09-10
19541954-06-141954-09-01
19551955-05-021955-09-05
19571957-07-011957-08-10
19581958-06-281958-09-23
19591959-06-031959-09-09
19601960-07-071960-09-02
19611961-06-041961-08-31
19621962-06-271962-09-02
19631963-06-241963-10-04
19651965-07-221965-08-14
19661966-05-221966-09-13
19671967-06-041967-09-08
19681968-06-031968-09-15
19691969-05-151969-09-18
19701970-05-181970-10-06
19711971-07-251971-09-04
19721972-05-171972-08-31
19731973-06-021973-08-31
19741974-06-271974-09-27
19751975-07-051975-08-25
19761976-05-151976-10-01
19771977-04-101977-07-24
19791979-06-141979-09-17
19801980-04-211980-09-08
19811981-07-061981-09-13
19821982-07-211982-09-11
19831983-06-111983-09-28
19841984-05-171984-08-29
19851985-04-301985-07-14
19861986-05-051986-08-25
19871987-04-291987-08-11
19881988-05-191988-08-25
19891989-06-201989-10-01
19901990-04-221990-09-12
19911991-05-131991-09-08
19921992-05-011992-10-02
19931993-05-141993-08-25
19941994-05-191994-09-10
19951995-06-151995-09-05
19961996-06-101996-09-09
19971997-06-021997-08-27
19981998-06-261998-09-18
19991999-05-291999-09-01
20002000-06-082000-08-28
20012001-06-252001-09-06
20022002-05-292002-09-18
20032003-04-142003-09-08
20042004-07-112004-09-20
20052005-04-192005-09-05
20062006-05-242006-09-16
20072007-06-122007-09-24
20082008-07-022008-09-01
20092009-06-202009-08-14
20102010-05-292010-08-28
20112011-07-012011-10-06
20122012-05-182012-09-02
20132013-05-142013-09-07
20142014-05-252014-07-22
20152015-07-162015-10-12
20182018-05-252018-08-17
20192019-05-312019-09-21
20202020-06-022020-08-20
20212021-06-032021-09-28
20222022-06-192022-09-02
20242024-06-262024-09-10
20262026-05-262026-08-08

Every Fixed Threshold

Fixed thresholds at Petersburg 2 N
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days7444198829
35 C (95 F): Days431319833
90 F (32.2 C): Days7424198316
100 F (37.8 C): Days5119471
0 C (32 F): Ice days (max74137197224
0 C (32 F): Frost days (min71219197963
-10 C (14 F): Days with min71129195525
-20 C (-4 F): Days with min7177198919
-30 C (-22 F): Days with min682819793
-40 C (-40 F): Days with min3119821
20 C (68 F): Tropical nights (min46620224
10 mm (0.39 in): Days with 10 mm or more rain8127198211
25 mm (0.98 in): Days with 25 mm or more rain80719622
50 mm (1.97 in): Days with 50 mm or more rain24219421
10 cm (3.9 in): Days with 10 cm or more snowfall45719951
25 cm (9.8 in): Days with 25 cm or more snowfall6119661

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

  • Data for Petersburg 2 N 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 (2026-10-17).