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Built 2026-10-19 (19 October 2026)

New Orleans Wtp Threshold Days by Year (USC00166669)

5 fixed thresholds counted per year at New Orleans Wtp (USC00166669): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for New Orleans Wtp Thresholds

  • New Orleans Wtp: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1961 with 57.
  • New Orleans Wtp: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1975 with 25.
  • New Orleans Wtp: days with 50 mm (1.97 in) or more of precipitation in 40 years, most in 1980 with 12.
  • New Orleans Wtp: days with 100 mm (3.94 in) or more of precipitation in 22 years, most in 1983 with 3.
  • 5 fixed thresholds have at least one qualifying day at New Orleans Wtp.
42 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at New Orleans Wtp Days per year at New Orleans Wtp with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1961. 02040601948: 461949: 411950: 311951: 301952: 321953: 391954: 321955: 381956: 401957: 431958: 521959: 501960: 431961: 571962: 361963: 401964: 471966: 511967: 481968: 301969: 461970: 511971: 361972: 411973: 561974: 411975: 531976: 401977: 551978: 481979: 391980: 351981: 411982: 451983: 501984: 301985: 421986: 411987: 491988: 501989: 341990: 33194819531958196319691974197919841989
Days per year at New Orleans Wtp with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1961.
Days with 10 mm (0.39 in) or more of precipitation per year at New Orleans Wtp
YearDaysDecade average
19484643.5
19494143.5
19503138.7
19513038.7
19523238.7
19533938.7
19543238.7
19553838.7
19564038.7
19574338.7
19585238.7
19595038.7
19604344.2
19615744.2
19623644.2
19634044.2
19644744.2
19665144.2
19674844.2
19683044.2
19694644.2
19705146
19713646
19724146
19735646
19744146
19755346
19764046
19775546
19784846
19793946
19803541.7
19814141.7
19824541.7
19835041.7
19843041.7
19854241.7
19864141.7
19874941.7
19885041.7
19893441.7
19903333
First to last qualifying date each year at New Orleans Wtp For each year, a bar from the first to the last day at New Orleans Wtp meeting 10 mm (0.39 in). 1948: 17 January 1948 to 29 December 19481949: 25 January 1949 to 17 December 19491950: 6 January 1950 to 28 December 19501951: 23 January 1951 to 19 December 19511952: 28 January 1952 to 30 December 19521953: 7 January 1953 to 28 December 19531954: 4 January 1954 to 31 December 19541955: 15 January 1955 to 2 December 19551956: 22 January 1956 to 23 December 19561957: 25 January 1957 to 28 December 19571958: 6 January 1958 to 23 December 19581959: 15 January 1959 to 31 December 19591960: 6 January 1960 to 31 December 19601961: 7 January 1961 to 17 December 19611962: 5 January 1962 to 28 December 19621963: 17 January 1963 to 20 December 19631964: 4 January 1964 to 11 December 19641966: 3 January 1966 to 31 December 19661967: 1 January 1967 to 31 December 19671968: 15 February 1968 to 30 December 19681969: 17 January 1969 to 25 December 19691970: 5 January 1970 to 15 December 19701971: 4 January 1971 to 20 December 19711972: 2 January 1972 to 30 December 19721973: 8 February 1973 to 31 December 19731974: 3 January 1974 to 20 December 19741975: 3 January 1975 to 30 December 19751976: 7 January 1976 to 25 December 19761977: 2 January 1977 to 29 December 19771978: 8 January 1978 to 24 December 19781979: 2 January 1979 to 23 December 19791980: 9 January 1980 to 10 December 19801981: 7 January 1981 to 31 December 19811982: 13 January 1982 to 28 December 19821983: 1 January 1983 to 29 December 19831984: 10 January 1984 to 5 December 19841985: 1 January 1985 to 28 December 19851986: 4 January 1986 to 23 December 19861987: 4 January 1987 to 22 December 19871988: 2 January 1988 to 23 December 19881989: 19 January 1989 to 12 December 19891990: 4 January 1990 to 31 December 19901948195419601967197319791985JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at New Orleans Wtp meeting 10 mm (0.39 in).
First to last qualifying date each year at New Orleans Wtp
YearFirst dateLast date
19481948-01-171948-12-29
19491949-01-251949-12-17
19501950-01-061950-12-28
19511951-01-231951-12-19
19521952-01-281952-12-30
19531953-01-071953-12-28
19541954-01-041954-12-31
19551955-01-151955-12-02
19561956-01-221956-12-23
19571957-01-251957-12-28
19581958-01-061958-12-23
19591959-01-151959-12-31
19601960-01-061960-12-31
19611961-01-071961-12-17
19621962-01-051962-12-28
19631963-01-171963-12-20
19641964-01-041964-12-11
19661966-01-031966-12-31
19671967-01-011967-12-31
19681968-02-151968-12-30
19691969-01-171969-12-25
19701970-01-051970-12-15
19711971-01-041971-12-20
19721972-01-021972-12-30
19731973-02-081973-12-31
19741974-01-031974-12-20
19751975-01-031975-12-30
19761976-01-071976-12-25
19771977-01-021977-12-29
19781978-01-081978-12-24
19791979-01-021979-12-23
19801980-01-091980-12-10
19811981-01-071981-12-31
19821982-01-131982-12-28
19831983-01-011983-12-29
19841984-01-101984-12-05
19851985-01-011985-12-28
19861986-01-041986-12-23
19871987-01-041987-12-22
19881988-01-021988-12-23
19891989-01-191989-12-12
19901990-01-041990-12-31

Every Fixed Threshold

Fixed thresholds at New Orleans Wtp
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4257196133
25 mm (0.98 in): Days with 25 mm or more rain4225197517
50 mm (1.97 in): Days with 50 mm or more rain401219804
100 mm (3.94 in): Days with 100 mm or more rain22319831
200 mm (7.87 in): Days with 200 mm or more rain4119481

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

  • Data for New Orleans Wtp 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).