Built 2026-10-19 (19 October 2026)

Richey Threshold Days by Year (USC00247020)

17 fixed thresholds counted per year at Richey (USC00247020): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Richey Thresholds

  • Richey: days with a maximum temperature at or above 30 C (86 F) in 21 years, most in 1961 with 65.
  • Richey: days with a maximum temperature at or above 35 C (95 F) in 21 years, most in 1961 with 19.
  • Richey: days with a maximum temperature at or above 90 F (32.2 C) in 21 years, most in 1961 with 47.
  • Richey: days with a maximum temperature at or below 0 C (32 F) in 21 years, most in 1955 with 97.
  • 17 fixed thresholds have at least one qualifying day at Richey.
21 years with a qualifying day
Days at or above 30 C (86 F) per year at Richey Days per year at Richey with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 65 in 1961. 0204060801949: 421950: 211951: 241952: 411953: 361954: 371955: 531956: 431957: 441958: 511959: 561960: 481961: 651962: 201963: 541964: 461965: 221966: 451967: 561968: 381969: 511949195219551958196119641967
Days per year at Richey with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 65 in 1961.
Days at or above 30 C (86 F) per year at Richey
YearDaysDecade average
19494242
19502140.6
19512440.6
19524140.6
19533640.6
19543740.6
19555340.6
19564340.6
19574440.6
19585140.6
19595640.6
19604844.5
19616544.5
19622044.5
19635444.5
19644644.5
19652244.5
19664544.5
19675644.5
19683844.5
19695144.5
First to last qualifying date each year at Richey For each year, a bar from the first to the last day at Richey meeting 30 C (86 F). 1949: 12 May 1949 to 24 September 19491950: 11 June 1950 to 6 September 19501951: 15 June 1951 to 22 August 19511952: 26 April 1952 to 26 September 19521953: 12 June 1953 to 10 October 19531954: 19 May 1954 to 31 August 19541955: 14 June 1955 to 10 October 19551956: 21 May 1956 to 26 September 19561957: 30 May 1957 to 2 October 19571958: 11 May 1958 to 19 September 19581959: 2 June 1959 to 13 September 19591960: 12 May 1960 to 4 October 19601961: 28 May 1961 to 31 August 19611962: 24 April 1962 to 6 September 19621963: 30 May 1963 to 4 October 19631964: 13 May 1964 to 13 October 19641965: 15 July 1965 to 16 August 19651966: 21 May 1966 to 20 September 19661967: 27 June 1967 to 29 September 19671968: 30 April 1968 to 14 September 19681969: 26 May 1969 to 18 September 19691949195219551958196119641967JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Richey meeting 30 C (86 F).
First to last qualifying date each year at Richey
YearFirst dateLast date
19491949-05-121949-09-24
19501950-06-111950-09-06
19511951-06-151951-08-22
19521952-04-261952-09-26
19531953-06-121953-10-10
19541954-05-191954-08-31
19551955-06-141955-10-10
19561956-05-211956-09-26
19571957-05-301957-10-02
19581958-05-111958-09-19
19591959-06-021959-09-13
19601960-05-121960-10-04
19611961-05-281961-08-31
19621962-04-241962-09-06
19631963-05-301963-10-04
19641964-05-131964-10-13
19651965-07-151965-08-16
19661966-05-211966-09-20
19671967-06-271967-09-29
19681968-04-301968-09-14
19691969-05-261969-09-18

Every Fixed Threshold

Fixed thresholds at Richey
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2165196151
35 C (95 F): Days2119196114
40 C (104 F): Days5219581
90 F (32.2 C): Days2147196133
100 F (37.8 C): Days18519583
0 C (32 F): Ice days (max2197195593
0 C (32 F): Frost days (min212151965188
-10 C (14 F): Days with min21116195597
-20 C (-4 F): Days with min2159194931
-30 C (-22 F): Days with min212019509
-40 C (-40 F): Days with min5219501
20 C (68 F): Tropical nights (min14619554
25 C (77 F): Days with min1119491
10 mm (0.39 in): Days with 10 mm or more rain2118195312
25 mm (0.98 in): Days with 25 mm or more rain17619626
50 mm (1.97 in): Days with 50 mm or more rain2119601
10 cm (3.9 in): Days with 10 cm or more snowfall3119501

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Richey 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).