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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Spring Grove Threshold Days by Year (USC00217915)

6 fixed thresholds counted per year at Spring Grove (USC00217915): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Spring Grove Thresholds

  • Spring Grove: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1938 with 36.
  • Spring Grove: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 1965 with 14.
  • Spring Grove: days with 10 cm (3.9 in) or more of snowfall in 46 years, most in 1959 with 8.
  • Spring Grove: days with 50 mm (1.97 in) or more of precipitation in 43 years, most in 1950 with 4.
  • 6 fixed thresholds have at least one qualifying day at Spring Grove.
55 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Spring Grove Days per year at Spring Grove with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1938. 0102030401936: 211937: 221938: 361939: 111940: 241941: 181942: 301943: 231944: 211945: 351946: 261947: 261949: 141950: 241951: 321952: 201953: 281954: 271955: 181956: 231957: 301958: 131959: 291960: 321961: 291962: 181963: 181964: 191965: 361966: 211967: 181968: 311969: 251970: 341971: 211972: 311973: 341974: 191975: 211976: 201977: 251978: 261979: 231980: 241981: 261986: 351987: 211988: 181992: 311995: 271996: 261997: 261998: 361999: 312000: 261936194219491955196119671973197919922000
Days per year at Spring Grove with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1938.
Days with 10 mm (0.39 in) or more of precipitation per year at Spring Grove
YearDaysDecade average
19362122.5
19372222.5
19383622.5
19391122.5
19402424.1
19411824.1
19423024.1
19432324.1
19442124.1
19453524.1
19462624.1
19472624.1
19491424.1
19502424.4
19513224.4
19522024.4
19532824.4
19542724.4
19551824.4
19562324.4
19573024.4
19581324.4
19592924.4
19603224.7
19612924.7
19621824.7
19631824.7
19641924.7
19653624.7
19662124.7
19671824.7
19683124.7
19692524.7
19703425.4
19712125.4
19723125.4
19733425.4
19741925.4
19752125.4
19762025.4
19772525.4
19782625.4
19792325.4
19802424.8
19812624.8
19863524.8
19872124.8
19881824.8
19923129.5
19952729.5
19962629.5
19972629.5
19983629.5
19993129.5
20002626
First to last qualifying date each year at Spring Grove For each year, a bar from the first to the last day at Spring Grove meeting 10 mm (0.39 in). 1936: 26 February 1936 to 30 December 19361937: 8 January 1937 to 8 November 19371938: 6 February 1938 to 5 November 19381939: 9 February 1939 to 13 October 19391940: 13 March 1940 to 16 December 19401941: 3 March 1941 to 1 November 19411942: 15 February 1942 to 22 December 19421943: 9 March 1943 to 8 November 19431944: 27 January 1944 to 2 November 19441945: 21 February 1945 to 25 December 19451946: 5 January 1946 to 27 December 19461947: 30 January 1947 to 7 December 19471949: 22 March 1949 to 11 December 19491950: 13 January 1950 to 7 October 19501951: 26 February 1951 to 13 November 19511952: 14 January 1952 to 20 December 19521953: 15 January 1953 to 20 November 19531954: 6 April 1954 to 14 October 19541955: 13 April 1955 to 23 October 19551956: 7 March 1956 to 15 November 19561957: 25 January 1957 to 18 November 19571958: 5 April 1958 to 17 November 19581959: 10 February 1959 to 27 December 19591960: 30 March 1960 to 28 November 19601961: 18 February 1961 to 17 December 19611962: 12 May 1962 to 9 October 19621963: 19 March 1963 to 22 November 19631964: 3 March 1964 to 10 September 19641965: 8 April 1965 to 12 December 19651966: 2 January 1966 to 15 October 19661967: 24 January 1967 to 24 October 19671968: 27 March 1968 to 22 December 19681969: 23 January 1969 to 7 December 19691970: 3 March 1970 to 19 November 19701971: 4 January 1971 to 10 December 19711972: 21 March 1972 to 30 December 19721973: 3 January 1973 to 4 December 19731974: 29 March 1974 to 7 December 19741975: 24 March 1975 to 14 December 19751976: 12 March 1976 to 19 September 19761977: 23 February 1977 to 23 November 19771978: 4 April 1978 to 17 November 19781979: 23 March 1979 to 5 November 19791980: 16 January 1980 to 24 October 19801981: 22 February 1981 to 14 October 19811986: 28 April 1986 to 20 November 19861987: 1 March 1987 to 28 November 19871988: 20 January 1988 to 16 November 19881992: 4 March 1992 to 26 November 19921995: 6 March 1995 to 12 December 19951996: 17 January 1996 to 14 December 19961997: 3 January 1997 to 12 October 19971998: 5 January 1998 to 10 November 19981999: 2 January 1999 to 23 November 19992000: 5 January 2000 to 16 November 200019361943195119581965197219791995JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Spring Grove meeting 10 mm (0.39 in).
First to last qualifying date each year at Spring Grove
YearFirst dateLast date
19361936-02-261936-12-30
19371937-01-081937-11-08
19381938-02-061938-11-05
19391939-02-091939-10-13
19401940-03-131940-12-16
19411941-03-031941-11-01
19421942-02-151942-12-22
19431943-03-091943-11-08
19441944-01-271944-11-02
19451945-02-211945-12-25
19461946-01-051946-12-27
19471947-01-301947-12-07
19491949-03-221949-12-11
19501950-01-131950-10-07
19511951-02-261951-11-13
19521952-01-141952-12-20
19531953-01-151953-11-20
19541954-04-061954-10-14
19551955-04-131955-10-23
19561956-03-071956-11-15
19571957-01-251957-11-18
19581958-04-051958-11-17
19591959-02-101959-12-27
19601960-03-301960-11-28
19611961-02-181961-12-17
19621962-05-121962-10-09
19631963-03-191963-11-22
19641964-03-031964-09-10
19651965-04-081965-12-12
19661966-01-021966-10-15
19671967-01-241967-10-24
19681968-03-271968-12-22
19691969-01-231969-12-07
19701970-03-031970-11-19
19711971-01-041971-12-10
19721972-03-211972-12-30
19731973-01-031973-12-04
19741974-03-291974-12-07
19751975-03-241975-12-14
19761976-03-121976-09-19
19771977-02-231977-11-23
19781978-04-041978-11-17
19791979-03-231979-11-05
19801980-01-161980-10-24
19811981-02-221981-10-14
19861986-04-281986-11-20
19871987-03-011987-11-28
19881988-01-201988-11-16
19921992-03-041992-11-26
19951995-03-061995-12-12
19961996-01-171996-12-14
19971997-01-031997-10-12
19981998-01-051998-11-10
19991999-01-021999-11-23
20002000-01-052000-11-16

Every Fixed Threshold

Fixed thresholds at Spring Grove
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5536193826
25 mm (0.98 in): Days with 25 mm or more rain5514196512
50 mm (1.97 in): Days with 50 mm or more rain43419502
100 mm (3.94 in): Days with 100 mm or more rain6119461
10 cm (3.9 in): Days with 10 cm or more snowfall46819593
25 cm (9.8 in): Days with 25 cm or more snowfall6219591

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

  • Data for Spring Grove 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).