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Built 2026-10-19 (19 October 2026)

Redlands Hrs Threshold Days by Year (ASN00040265)

5 fixed thresholds counted per year at Redlands Hrs (ASN00040265): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Redlands Hrs Thresholds

  • Redlands Hrs: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1959 with 41.
  • Redlands Hrs: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1956 with 21.
  • Redlands Hrs: days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1956 with 9.
  • Redlands Hrs: days with 100 mm (3.94 in) or more of precipitation in 13 years, most in 1954 with 4.
  • 5 fixed thresholds have at least one qualifying day at Redlands Hrs.
25 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Redlands Hrs Days per year at Redlands Hrs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1959. 02040601899: 351900: 301901: 351902: 131947: 321954: 371955: 391956: 331957: 161958: 381959: 411960: 191961: 401962: 291964: 271966: 271968: 231969: 201977: 131982: 261986: 161997: 231998: 262001: 172002: 20189919021955195819611966197719972002
Days per year at Redlands Hrs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1959.
Days with 10 mm (0.39 in) or more of precipitation per year at Redlands Hrs
YearDaysDecade average
18993535
19003026
19013526
19021326
19473232
19543734
19553934
19563334
19571634
19583834
19594134
19601926.4
19614026.4
19622926.4
19642726.4
19662726.4
19682326.4
19692026.4
19771313
19822621
19861621
19972324.5
19982624.5
20011718.5
20022018.5
First to last qualifying date each year at Redlands Hrs For each year, a bar from the first to the last day at Redlands Hrs meeting 10 mm (0.39 in). 1899: 11 January 1899 to 31 December 18991900: 1 January 1900 to 18 November 19001901: 21 January 1901 to 24 October 19011902: 27 January 1902 to 30 November 19021947: 1 January 1947 to 26 December 19471954: 4 January 1954 to 6 December 19541955: 13 January 1955 to 27 December 19551956: 13 January 1956 to 24 December 19561957: 10 January 1957 to 17 December 19571958: 2 January 1958 to 31 December 19581959: 4 January 1959 to 23 December 19591960: 6 January 1960 to 16 December 19601961: 4 January 1961 to 20 December 19611962: 5 January 1962 to 12 December 19621964: 3 January 1964 to 30 December 19641966: 18 February 1966 to 30 December 19661968: 9 January 1968 to 31 December 19681969: 12 February 1969 to 24 December 19691977: 5 January 1977 to 23 December 19771982: 15 January 1982 to 21 December 19821986: 12 February 1986 to 19 December 19861997: 29 January 1997 to 28 December 19971998: 29 January 1998 to 17 December 19982001: 18 January 2001 to 31 December 20012002: 1 January 2002 to 25 December 20021899194719571961196819862002JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Redlands Hrs meeting 10 mm (0.39 in).
First to last qualifying date each year at Redlands Hrs
YearFirst dateLast date
18991899-01-111899-12-31
19001900-01-011900-11-18
19011901-01-211901-10-24
19021902-01-271902-11-30
19471947-01-011947-12-26
19541954-01-041954-12-06
19551955-01-131955-12-27
19561956-01-131956-12-24
19571957-01-101957-12-17
19581958-01-021958-12-31
19591959-01-041959-12-23
19601960-01-061960-12-16
19611961-01-041961-12-20
19621962-01-051962-12-12
19641964-01-031964-12-30
19661966-02-181966-12-30
19681968-01-091968-12-31
19691969-02-121969-12-24
19771977-01-051977-12-23
19821982-01-151982-12-21
19861986-02-121986-12-19
19971997-01-291997-12-28
19981998-01-291998-12-17
20012001-01-182001-12-31
20022002-01-012002-12-25

Every Fixed Threshold

Fixed thresholds at Redlands Hrs
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2541195920
25 mm (0.98 in): Days with 25 mm or more rain252119568
50 mm (1.97 in): Days with 50 mm or more rain24919561
100 mm (3.94 in): Days with 100 mm or more rain13419541
200 mm (7.87 in): Days with 200 mm or more rain1119641

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1899.

Download the Data

  • Data for Redlands Hrs 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).