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Built 2026-10-19 (19 October 2026)

Grandfield 4 NW Threshold Days by Year (USC00343709)

5 fixed thresholds counted per year at Grandfield 4 NW (USC00343709): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grandfield 4 NW Thresholds

  • Grandfield 4 NW: days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 1975 with 37.
  • Grandfield 4 NW: days with 25 mm (0.98 in) or more of precipitation in 50 years, most in 1957 with 17.
  • Grandfield 4 NW: days with 50 mm (1.97 in) or more of precipitation in 46 years, most in 1950 with 6.
  • Grandfield 4 NW: days with 10 cm (3.9 in) or more of snowfall in 11 years, most in 1954 with 2.
  • 5 fixed thresholds have at least one qualifying day at Grandfield 4 NW.
50 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Grandfield 4 NW Days per year at Grandfield 4 NW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1975. 0102030401943: 181944: 261945: 341946: 241947: 221948: 211949: 261950: 291951: 191952: 131953: 241954: 171955: 291956: 131957: 311958: 211959: 291960: 241961: 241962: 221963: 161964: 221965: 181966: 181967: 181968: 291969: 271970: 201971: 281972: 271973: 321974: 271975: 371976: 211977: 171978: 161979: 231980: 161981: 251982: 301983: 231985: 221987: 311988: 181989: 231990: 271991: 281992: 291993: 251994: 211943194819531958196319681973197819831990
Days per year at Grandfield 4 NW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1975.
Days with 10 mm (0.39 in) or more of precipitation per year at Grandfield 4 NW
YearDaysDecade average
19431824.4
19442624.4
19453424.4
19462424.4
19472224.4
19482124.4
19492624.4
19502922.5
19511922.5
19521322.5
19532422.5
19541722.5
19552922.5
19561322.5
19573122.5
19582122.5
19592922.5
19602421.8
19612421.8
19622221.8
19631621.8
19642221.8
19651821.8
19661821.8
19671821.8
19682921.8
19692721.8
19702024.8
19712824.8
19722724.8
19733224.8
19742724.8
19753724.8
19762124.8
19771724.8
19781624.8
19792324.8
19801623.5
19812523.5
19823023.5
19832323.5
19852223.5
19873123.5
19881823.5
19892323.5
19902726
19912826
19922926
19932526
19942126
First to last qualifying date each year at Grandfield 4 NW For each year, a bar from the first to the last day at Grandfield 4 NW meeting 10 mm (0.39 in). 1943: 3 February 1943 to 28 December 19431944: 2 January 1944 to 4 December 19441945: 18 January 1945 to 10 November 19451946: 5 January 1946 to 11 December 19461947: 2 January 1947 to 3 December 19471948: 1 January 1948 to 10 October 19481949: 11 January 1949 to 9 December 19491950: 13 January 1950 to 14 September 19501951: 2 January 1951 to 1 November 19511952: 3 January 1952 to 19 December 19521953: 10 February 1953 to 3 December 19531954: 11 April 1954 to 29 December 19541955: 10 January 1955 to 5 October 19551956: 22 January 1956 to 19 December 19561957: 29 January 1957 to 22 November 19571958: 20 January 1958 to 12 October 19581959: 15 January 1959 to 18 December 19591960: 5 January 1960 to 31 December 19601961: 25 January 1961 to 8 December 19611962: 20 March 1962 to 24 December 19621963: 11 March 1963 to 11 December 19631964: 30 January 1964 to 19 November 19641965: 9 January 1965 to 24 December 19651966: 21 January 1966 to 18 October 19661967: 10 April 1967 to 16 December 19671968: 18 January 1968 to 28 November 19681969: 29 January 1969 to 30 December 19691970: 25 February 1970 to 16 December 19701971: 21 February 1971 to 15 December 19711972: 24 March 1972 to 30 December 19721973: 3 January 1973 to 4 December 19731974: 21 February 1974 to 31 December 19741975: 2 January 1975 to 29 December 19751976: 8 March 1976 to 30 October 19761977: 9 January 1977 to 8 November 19771978: 12 February 1978 to 26 November 19781979: 1 January 1979 to 28 December 19791980: 21 January 1980 to 8 December 19801981: 10 February 1981 to 30 November 19811982: 3 January 1982 to 27 December 19821983: 2 January 1983 to 23 November 19831985: 21 February 1985 to 18 October 19851987: 9 January 1987 to 25 December 19871988: 6 January 1988 to 11 December 19881989: 28 January 1989 to 30 October 19891990: 19 January 1990 to 9 November 19901991: 10 January 1991 to 20 December 19911992: 27 January 1992 to 9 December 19921993: 9 January 1993 to 13 December 19931994: 20 February 1994 to 19 November 199419431950195719641971197819871994JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Grandfield 4 NW meeting 10 mm (0.39 in).
First to last qualifying date each year at Grandfield 4 NW
YearFirst dateLast date
19431943-02-031943-12-28
19441944-01-021944-12-04
19451945-01-181945-11-10
19461946-01-051946-12-11
19471947-01-021947-12-03
19481948-01-011948-10-10
19491949-01-111949-12-09
19501950-01-131950-09-14
19511951-01-021951-11-01
19521952-01-031952-12-19
19531953-02-101953-12-03
19541954-04-111954-12-29
19551955-01-101955-10-05
19561956-01-221956-12-19
19571957-01-291957-11-22
19581958-01-201958-10-12
19591959-01-151959-12-18
19601960-01-051960-12-31
19611961-01-251961-12-08
19621962-03-201962-12-24
19631963-03-111963-12-11
19641964-01-301964-11-19
19651965-01-091965-12-24
19661966-01-211966-10-18
19671967-04-101967-12-16
19681968-01-181968-11-28
19691969-01-291969-12-30
19701970-02-251970-12-16
19711971-02-211971-12-15
19721972-03-241972-12-30
19731973-01-031973-12-04
19741974-02-211974-12-31
19751975-01-021975-12-29
19761976-03-081976-10-30
19771977-01-091977-11-08
19781978-02-121978-11-26
19791979-01-011979-12-28
19801980-01-211980-12-08
19811981-02-101981-11-30
19821982-01-031982-12-27
19831983-01-021983-11-23
19851985-02-211985-10-18
19871987-01-091987-12-25
19881988-01-061988-12-11
19891989-01-281989-10-30
19901990-01-191990-11-09
19911991-01-101991-12-20
19921992-01-271992-12-09
19931993-01-091993-12-13
19941994-02-201994-11-19

Every Fixed Threshold

Fixed thresholds at Grandfield 4 NW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5037197521
25 mm (0.98 in): Days with 25 mm or more rain501719579
50 mm (1.97 in): Days with 50 mm or more rain46619502
100 mm (3.94 in): Days with 100 mm or more rain6219752
10 cm (3.9 in): Days with 10 cm or more snowfall11219541

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

Download the Data

  • Data for Grandfield 4 NW 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).