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Built 2026-10-19 (19 October 2026)

Irving Threshold Days by Year (USC00024391)

5 fixed thresholds counted per year at Irving (USC00024391): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Irving Thresholds

  • Irving: days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 1965 with 29.
  • Irving: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1965 with 10.
  • Irving: days with 50 mm (1.97 in) or more of precipitation in 21 years, most in 1980 with 3.
  • Irving: days with 10 cm (3.9 in) or more of snowfall in 8 years, most in 1987 with 3.
  • 5 fixed thresholds have at least one qualifying day at Irving.
54 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Irving Days per year at Irving with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1965. 01020301951: 151952: 201953: 131954: 201955: 171956: 51957: 181958: 181959: 231960: 141961: 161962: 131963: 201964: 121965: 291966: 151967: 211968: 171969: 161970: 141971: 141972: 151973: 151974: 171975: 161976: 211977: 161978: 261979: 131980: 211981: 171982: 211983: 261984: 181985: 211986: 191987: 181988: 191989: 91990: 181991: 201992: 271993: 211994: 151995: 161996: 91997: 181998: 231999: 112000: 132001: 172002: 92003: 142004: 16195119571963196919751981198719931999
Days per year at Irving with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1965.
Days with 10 mm (0.39 in) or more of precipitation per year at Irving
YearDaysDecade average
19511516.6
19522016.6
19531316.6
19542016.6
19551716.6
1956516.6
19571816.6
19581816.6
19592316.6
19601417.3
19611617.3
19621317.3
19632017.3
19641217.3
19652917.3
19661517.3
19672117.3
19681717.3
19691617.3
19701416.7
19711416.7
19721516.7
19731516.7
19741716.7
19751616.7
19762116.7
19771616.7
19782616.7
19791316.7
19802118.9
19811718.9
19822118.9
19832618.9
19841818.9
19852118.9
19861918.9
19871818.9
19881918.9
1989918.9
19901817.8
19912017.8
19922717.8
19932117.8
19941517.8
19951617.8
1996917.8
19971817.8
19982317.8
19991117.8
20001313.8
20011713.8
2002913.8
20031413.8
20041613.8
First to last qualifying date each year at Irving For each year, a bar from the first to the last day at Irving meeting 10 mm (0.39 in). 1951: 30 January 1951 to 31 December 19511952: 18 January 1952 to 21 December 19521953: 1 March 1953 to 5 December 19531954: 13 January 1954 to 11 December 19541955: 3 January 1955 to 2 December 19551956: 21 July 1956 to 29 October 19561957: 8 January 1957 to 16 December 19571958: 4 February 1958 to 17 November 19581959: 7 January 1959 to 26 December 19591960: 1 January 1960 to 5 November 19601961: 27 January 1961 to 16 December 19611962: 21 January 1962 to 15 November 19621963: 10 February 1963 to 20 November 19631964: 22 January 1964 to 28 December 19641965: 1 January 1965 to 30 December 19651966: 8 February 1966 to 7 December 19661967: 24 January 1967 to 20 December 19671968: 27 January 1968 to 26 December 19681969: 15 January 1969 to 16 November 19691970: 1 March 1970 to 22 December 19701971: 18 February 1971 to 27 December 19711972: 17 July 1972 to 29 December 19721973: 12 February 1973 to 19 November 19731974: 5 January 1974 to 26 December 19741975: 11 February 1975 to 21 December 19751976: 4 February 1976 to 23 October 19761977: 1 January 1977 to 29 December 19771978: 11 January 1978 to 19 December 19781979: 17 January 1979 to 22 December 19791980: 10 January 1980 to 17 October 19801981: 9 February 1981 to 30 November 19811982: 2 January 1982 to 23 December 19821983: 28 January 1983 to 4 December 19831984: 27 March 1984 to 29 December 19841985: 8 January 1985 to 12 December 19851986: 16 February 1986 to 21 December 19861987: 6 January 1987 to 18 December 19871988: 6 January 1988 to 25 November 19881989: 4 January 1989 to 29 December 19891990: 3 January 1990 to 17 December 19901991: 4 January 1991 to 20 December 19911992: 6 January 1992 to 29 December 19921993: 3 January 1993 to 15 November 19931994: 8 February 1994 to 6 December 19941995: 5 January 1995 to 28 September 19951996: 26 February 1996 to 15 September 19961997: 13 January 1997 to 22 December 19971998: 4 January 1998 to 29 November 19981999: 5 February 1999 to 23 September 19992000: 5 March 2000 to 11 November 20002001: 9 January 2001 to 5 December 20012002: 7 April 2002 to 10 November 20022003: 9 January 2003 to 26 December 20032004: 28 February 2004 to 29 December 200419511958196519721979198619932000JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Irving meeting 10 mm (0.39 in).
First to last qualifying date each year at Irving
YearFirst dateLast date
19511951-01-301951-12-31
19521952-01-181952-12-21
19531953-03-011953-12-05
19541954-01-131954-12-11
19551955-01-031955-12-02
19561956-07-211956-10-29
19571957-01-081957-12-16
19581958-02-041958-11-17
19591959-01-071959-12-26
19601960-01-011960-11-05
19611961-01-271961-12-16
19621962-01-211962-11-15
19631963-02-101963-11-20
19641964-01-221964-12-28
19651965-01-011965-12-30
19661966-02-081966-12-07
19671967-01-241967-12-20
19681968-01-271968-12-26
19691969-01-151969-11-16
19701970-03-011970-12-22
19711971-02-181971-12-27
19721972-07-171972-12-29
19731973-02-121973-11-19
19741974-01-051974-12-26
19751975-02-111975-12-21
19761976-02-041976-10-23
19771977-01-011977-12-29
19781978-01-111978-12-19
19791979-01-171979-12-22
19801980-01-101980-10-17
19811981-02-091981-11-30
19821982-01-021982-12-23
19831983-01-281983-12-04
19841984-03-271984-12-29
19851985-01-081985-12-12
19861986-02-161986-12-21
19871987-01-061987-12-18
19881988-01-061988-11-25
19891989-01-041989-12-29
19901990-01-031990-12-17
19911991-01-041991-12-20
19921992-01-061992-12-29
19931993-01-031993-11-15
19941994-02-081994-12-06
19951995-01-051995-09-28
19961996-02-261996-09-15
19971997-01-131997-12-22
19981998-01-041998-11-29
19991999-02-051999-09-23
20002000-03-052000-11-11
20012001-01-092001-12-05
20022002-04-072002-11-10
20032003-01-092003-12-26
20042004-02-282004-12-29

Every Fixed Threshold

Fixed thresholds at Irving
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5429196516
25 mm (0.98 in): Days with 25 mm or more rain511019656
50 mm (1.97 in): Days with 50 mm or more rain21319801
10 cm (3.9 in): Days with 10 cm or more snowfall8319872
25 cm (9.8 in): Days with 25 cm or more snowfall1119871

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.

Download the Data

  • Data for Irving 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).