Built 2026-10-19 (19 October 2026)

Ranger 1 W Threshold Days by Year (USC00417426)

15 fixed thresholds counted per year at Ranger 1 W (USC00417426): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ranger 1 W Thresholds

  • Ranger 1 W: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1957 with 35.
  • Ranger 1 W: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1942 with 13.
  • Ranger 1 W: days with 50 mm (1.97 in) or more of precipitation in 28 years, most in 1942 with 5.
  • Ranger 1 W: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 1955 with 162.
  • 15 fixed thresholds have at least one qualifying day at Ranger 1 W.
20 years with a qualifying day
Days at or above 30 C (86 F) per year at Ranger 1 W Days per year at Ranger 1 W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 162 in 1955. 0501001502001955: 1621956: 1601957: 1111958: 1121959: 1331960: 1441961: 1171962: 1431963: 1541964: 1281965: 1191966: 1011967: 1271968: 1091969: 1131970: 1171971: 1301972: 1411973: 1161974: 1231955195719591961196319651967196919711973
Days per year at Ranger 1 W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 162 in 1955.
Days at or above 30 C (86 F) per year at Ranger 1 W
YearDaysDecade average
1955162135.6
1956160135.6
1957111135.6
1958112135.6
1959133135.6
1960144125.5
1961117125.5
1962143125.5
1963154125.5
1964128125.5
1965119125.5
1966101125.5
1967127125.5
1968109125.5
1969113125.5
1970117125.4
1971130125.4
1972141125.4
1973116125.4
1974123125.4
First to last qualifying date each year at Ranger 1 W For each year, a bar from the first to the last day at Ranger 1 W meeting 30 C (86 F). 1955: 4 March 1955 to 22 November 19551956: 24 February 1956 to 11 October 19561957: 7 April 1957 to 5 October 19571958: 4 April 1958 to 20 October 19581959: 17 February 1959 to 10 October 19591960: 22 March 1960 to 15 November 19601961: 15 March 1961 to 13 October 19611962: 8 February 1962 to 22 October 19621963: 1 February 1963 to 7 November 19631964: 3 April 1964 to 18 October 19641965: 4 April 1965 to 27 November 19651966: 22 March 1966 to 14 October 19661967: 5 March 1967 to 7 October 19671968: 3 May 1968 to 30 October 19681969: 8 January 1969 to 11 October 19691970: 22 April 1970 to 25 October 19701971: 16 February 1971 to 16 October 19711972: 7 March 1972 to 18 October 19721973: 9 May 1973 to 10 October 19731974: 2 March 1974 to 9 October 19741955195819611964196719701973JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ranger 1 W meeting 30 C (86 F).
First to last qualifying date each year at Ranger 1 W
YearFirst dateLast date
19551955-03-041955-11-22
19561956-02-241956-10-11
19571957-04-071957-10-05
19581958-04-041958-10-20
19591959-02-171959-10-10
19601960-03-221960-11-15
19611961-03-151961-10-13
19621962-02-081962-10-22
19631963-02-011963-11-07
19641964-04-031964-10-18
19651965-04-041965-11-27
19661966-03-221966-10-14
19671967-03-051967-10-07
19681968-05-031968-10-30
19691969-01-081969-10-11
19701970-04-221970-10-25
19711971-02-161971-10-16
19721972-03-071972-10-18
19731973-05-091973-10-10
19741974-03-021974-10-09

Every Fixed Threshold

Fixed thresholds at Ranger 1 W
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days201621955123
35 C (95 F): Days2087195647
40 C (104 F): Days11519645
90 F (32.2 C): Days20130195691
100 F (37.8 C): Days1921196410
0 C (32 F): Ice days (max17919632
0 C (32 F): Frost days (min2070196347
-10 C (14 F): Days with min151519633
20 C (68 F): Tropical nights (min20104195679
25 C (77 F): Days with min171919565
10 mm (0.39 in): Days with 10 mm or more rain3135195726
25 mm (0.98 in): Days with 25 mm or more rain3113194211
50 mm (1.97 in): Days with 50 mm or more rain28519424
100 mm (3.94 in): Days with 100 mm or more rain8119411
10 cm (3.9 in): Days with 10 cm or more snowfall4119571

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

  • Data for Ranger 1 W 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).