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Built 2026-10-18 (18 October 2026)

St Peters Post Office Threshold Days by Year

3 fixed thresholds counted per year at St Peters Post Office (ASN00023022): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for St Peters Post Office Thresholds

  • St Peters Post Office: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1923 with 37.
  • St Peters Post Office: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1920 with 6.
  • St Peters Post Office: days with 50 mm (1.97 in) or more of precipitation in 9 years, most in 1919 with 1.
  • 3 fixed thresholds have at least one qualifying day at St Peters Post Office.
57 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at St Peters Post Office Days per year at St Peters Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1923. 0102030401918: 91919: 141920: 221921: 201922: 231923: 371924: 171925: 121926: 231927: 171928: 191929: 181930: 161931: 141932: 191933: 171934: 161935: 211936: 151937: 181938: 111939: 171940: 131941: 211942: 191943: 111944: 151945: 111946: 171947: 171948: 121949: 151950: 121951: 131952: 181953: 211954: 101955: 201956: 261957: 151958: 181959: 91960: 191961: 91962: 121963: 151964: 151965: 51966: 121967: 61968: 151969: 131970: 101971: 181972: 81973: 171976: 61918192419301936194219481954196019661972
Days per year at St Peters Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1923.
Days with 10 mm (0.39 in) or more of precipitation per year at St Peters Post Office
YearDaysDecade average
1918911.5
19191411.5
19202220.8
19212020.8
19222320.8
19233720.8
19241720.8
19251220.8
19262320.8
19271720.8
19281920.8
19291820.8
19301616.4
19311416.4
19321916.4
19331716.4
19341616.4
19352116.4
19361516.4
19371816.4
19381116.4
19391716.4
19401315.1
19412115.1
19421915.1
19431115.1
19441515.1
19451115.1
19461715.1
19471715.1
19481215.1
19491515.1
19501216.2
19511316.2
19521816.2
19532116.2
19541016.2
19552016.2
19562616.2
19571516.2
19581816.2
1959916.2
19601912.1
1961912.1
19621212.1
19631512.1
19641512.1
1965512.1
19661212.1
1967612.1
19681512.1
19691312.1
19701011.8
19711811.8
1972811.8
19731711.8
1976611.8
First to last qualifying date each year at St Peters Post Office For each year, a bar from the first to the last day at St Peters Post Office meeting 10 mm (0.39 in). 1918: 4 April 1918 to 7 October 19181919: 17 February 1919 to 27 December 19191920: 6 March 1920 to 27 December 19201921: 2 January 1921 to 3 December 19211922: 5 January 1922 to 26 December 19221923: 5 January 1923 to 18 December 19231924: 16 February 1924 to 7 November 19241925: 6 February 1925 to 17 October 19251926: 25 February 1926 to 27 December 19261927: 22 March 1927 to 5 December 19271928: 19 January 1928 to 2 October 19281929: 7 May 1929 to 28 December 19291930: 12 May 1930 to 26 December 19301931: 13 March 1931 to 14 September 19311932: 5 February 1932 to 26 October 19321933: 20 January 1933 to 20 September 19331934: 6 January 1934 to 29 December 19341935: 5 January 1935 to 24 December 19351936: 2 January 1936 to 17 December 19361937: 19 January 1937 to 11 December 19371938: 5 February 1938 to 31 October 19381939: 16 January 1939 to 15 November 19391940: 5 January 1940 to 19 December 19401941: 24 January 1941 to 19 November 19411942: 20 January 1942 to 5 November 19421943: 17 February 1943 to 17 December 19431944: 8 February 1944 to 21 December 19441945: 10 January 1945 to 17 December 19451946: 17 January 1946 to 25 December 19461947: 10 February 1947 to 23 December 19471948: 29 February 1948 to 15 December 19481949: 21 February 1949 to 21 November 19491950: 1 February 1950 to 20 December 19501951: 4 January 1951 to 25 October 19511952: 25 January 1952 to 8 December 19521953: 5 January 1953 to 7 December 19531954: 14 April 1954 to 4 October 19541955: 9 February 1955 to 10 November 19551956: 20 January 1956 to 16 November 19561957: 10 April 1957 to 23 October 19571958: 27 March 1958 to 10 October 19581959: 16 February 1959 to 26 December 19591960: 18 January 1960 to 12 November 19601961: 4 April 1961 to 21 August 19611962: 20 February 1962 to 29 December 19621963: 26 April 1963 to 12 September 19631964: 6 February 1964 to 18 November 19641965: 8 May 1965 to 5 September 19651966: 16 March 1966 to 4 December 19661967: 15 January 1967 to 4 September 19671968: 20 January 1968 to 23 December 19681969: 22 February 1969 to 1 December 19691970: 2 January 1970 to 5 December 19701971: 15 March 1971 to 10 December 19711972: 7 January 1972 to 27 December 19721973: 30 January 1973 to 31 December 19731976: 25 February 1976 to 23 December 197619181926193419421950195819661976JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at St Peters Post Office meeting 10 mm (0.39 in).
First to last qualifying date each year at St Peters Post Office
YearFirst dateLast date
19181918-04-041918-10-07
19191919-02-171919-12-27
19201920-03-061920-12-27
19211921-01-021921-12-03
19221922-01-051922-12-26
19231923-01-051923-12-18
19241924-02-161924-11-07
19251925-02-061925-10-17
19261926-02-251926-12-27
19271927-03-221927-12-05
19281928-01-191928-10-02
19291929-05-071929-12-28
19301930-05-121930-12-26
19311931-03-131931-09-14
19321932-02-051932-10-26
19331933-01-201933-09-20
19341934-01-061934-12-29
19351935-01-051935-12-24
19361936-01-021936-12-17
19371937-01-191937-12-11
19381938-02-051938-10-31
19391939-01-161939-11-15
19401940-01-051940-12-19
19411941-01-241941-11-19
19421942-01-201942-11-05
19431943-02-171943-12-17
19441944-02-081944-12-21
19451945-01-101945-12-17
19461946-01-171946-12-25
19471947-02-101947-12-23
19481948-02-291948-12-15
19491949-02-211949-11-21
19501950-02-011950-12-20
19511951-01-041951-10-25
19521952-01-251952-12-08
19531953-01-051953-12-07
19541954-04-141954-10-04
19551955-02-091955-11-10
19561956-01-201956-11-16
19571957-04-101957-10-23
19581958-03-271958-10-10
19591959-02-161959-12-26
19601960-01-181960-11-12
19611961-04-041961-08-21
19621962-02-201962-12-29
19631963-04-261963-09-12
19641964-02-061964-11-18
19651965-05-081965-09-05
19661966-03-161966-12-04
19671967-01-151967-09-04
19681968-01-201968-12-23
19691969-02-221969-12-01
19701970-01-021970-12-05
19711971-03-151971-12-10
19721972-01-071972-12-27
19731973-01-301973-12-31
19761976-02-251976-12-23

Every Fixed Threshold

Fixed thresholds at St Peters Post Office
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain573719236
25 mm (0.98 in): Days with 25 mm or more rain51619201
50 mm (1.97 in): Days with 50 mm or more rain9119191

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1918.

Download the Data

  • Data for St Peters Post Office 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).