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Built 2026-10-19 (19 October 2026)

Siloam Springs 1E Threshold Days by Year (USC00237780)

6 fixed thresholds counted per year at Siloam Springs 1E (USC00237780): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Siloam Springs 1E Thresholds

  • Siloam Springs 1E: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1945 with 51.
  • Siloam Springs 1E: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 1945 with 22.
  • Siloam Springs 1E: days with 50 mm (1.97 in) or more of precipitation in 50 years, most in 1975 with 8.
  • Siloam Springs 1E: days with 10 cm (3.9 in) or more of snowfall in 15 years, most in 1948 with 3.
  • 6 fixed thresholds have at least one qualifying day at Siloam Springs 1E.
55 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Siloam Springs 1E Days per year at Siloam Springs 1E with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 51 in 1945. 02040601941: 281942: 411944: 321945: 511947: 311948: 441949: 481950: 461951: 451952: 321953: 231954: 331955: 231956: 401957: 481958: 421959: 381960: 271961: 401962: 321963: 181964: 281966: 351967: 431968: 441969: 441970: 461973: 271974: 311975: 341976: 131982: 431984: 381985: 371986: 261987: 421988: 341991: 481992: 311993: 401994: 411995: 371996: 361997: 331998: 441999: 352000: 332001: 342002: 372003: 372004: 352007: 392008: 402009: 452010: 331941194919551961196819761988199620022010
Days per year at Siloam Springs 1E with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 51 in 1945.
Days with 10 mm (0.39 in) or more of precipitation per year at Siloam Springs 1E
YearDaysDecade average
19412839.3
19424139.3
19443239.3
19455139.3
19473139.3
19484439.3
19494839.3
19504637
19514537
19523237
19532337
19543337
19552337
19564037
19574837
19584237
19593837
19602734.6
19614034.6
19623234.6
19631834.6
19642834.6
19663534.6
19674334.6
19684434.6
19694434.6
19704630.2
19732730.2
19743130.2
19753430.2
19761330.2
19824336.7
19843836.7
19853736.7
19862636.7
19874236.7
19883436.7
19914838.3
19923138.3
19934038.3
19944138.3
19953738.3
19963638.3
19973338.3
19984438.3
19993538.3
20003337.5
20013437.5
20023737.5
20033737.5
20043537.5
20073937.5
20084037.5
20094537.5
20103333
First to last qualifying date each year at Siloam Springs 1E For each year, a bar from the first to the last day at Siloam Springs 1E meeting 10 mm (0.39 in). 1941: 17 January 1941 to 23 December 19411942: 27 January 1942 to 29 December 19421944: 8 January 1944 to 7 December 19441945: 3 January 1945 to 25 December 19451947: 2 January 1947 to 15 December 19471948: 1 January 1948 to 27 December 19481949: 4 January 1949 to 26 December 19491950: 3 January 1950 to 5 December 19501951: 2 January 1951 to 9 December 19511952: 4 January 1952 to 20 December 19521953: 17 January 1953 to 3 December 19531954: 10 January 1954 to 29 December 19541955: 2 February 1955 to 16 November 19551956: 19 January 1956 to 20 December 19561957: 21 January 1957 to 17 December 19571958: 21 January 1958 to 28 November 19581959: 21 January 1959 to 27 December 19591960: 14 January 1960 to 11 December 19601961: 15 January 1961 to 17 December 19611962: 5 January 1962 to 29 December 19621963: 1 March 1963 to 23 November 19631964: 6 February 1964 to 31 December 19641966: 1 January 1966 to 28 December 19661967: 26 January 1967 to 22 December 19671968: 28 January 1968 to 28 December 19681969: 16 January 1969 to 31 December 19691970: 6 January 1970 to 31 December 19701973: 5 March 1973 to 10 December 19731974: 8 February 1974 to 29 December 19741975: 10 January 1975 to 15 December 19751976: 18 February 1976 to 30 October 19761982: 4 January 1982 to 25 December 19821984: 4 January 1984 to 29 December 19841985: 1 January 1985 to 22 December 19851986: 18 March 1986 to 18 December 19861987: 14 January 1987 to 27 December 19871988: 7 January 1988 to 6 December 19881991: 5 January 1991 to 20 December 19911992: 12 February 1992 to 15 December 19921993: 3 January 1993 to 13 December 19931994: 11 January 1994 to 19 December 19941995: 6 January 1995 to 19 December 19951996: 1 January 1996 to 4 December 19961997: 9 January 1997 to 19 December 19971998: 5 January 1998 to 20 December 19981999: 1 January 1999 to 11 December 19992000: 2 January 2000 to 13 December 20002001: 28 January 2001 to 10 December 20012002: 19 January 2002 to 24 December 20022003: 14 February 2003 to 27 December 20032004: 16 January 2004 to 6 December 20042007: 5 January 2007 to 16 December 20072008: 8 January 2008 to 27 December 20082009: 28 January 2009 to 24 December 20092010: 21 January 2010 to 29 November 201019411950195719641974198719962003JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Siloam Springs 1E meeting 10 mm (0.39 in).
First to last qualifying date each year at Siloam Springs 1E
YearFirst dateLast date
19411941-01-171941-12-23
19421942-01-271942-12-29
19441944-01-081944-12-07
19451945-01-031945-12-25
19471947-01-021947-12-15
19481948-01-011948-12-27
19491949-01-041949-12-26
19501950-01-031950-12-05
19511951-01-021951-12-09
19521952-01-041952-12-20
19531953-01-171953-12-03
19541954-01-101954-12-29
19551955-02-021955-11-16
19561956-01-191956-12-20
19571957-01-211957-12-17
19581958-01-211958-11-28
19591959-01-211959-12-27
19601960-01-141960-12-11
19611961-01-151961-12-17
19621962-01-051962-12-29
19631963-03-011963-11-23
19641964-02-061964-12-31
19661966-01-011966-12-28
19671967-01-261967-12-22
19681968-01-281968-12-28
19691969-01-161969-12-31
19701970-01-061970-12-31
19731973-03-051973-12-10
19741974-02-081974-12-29
19751975-01-101975-12-15
19761976-02-181976-10-30
19821982-01-041982-12-25
19841984-01-041984-12-29
19851985-01-011985-12-22
19861986-03-181986-12-18
19871987-01-141987-12-27
19881988-01-071988-12-06
19911991-01-051991-12-20
19921992-02-121992-12-15
19931993-01-031993-12-13
19941994-01-111994-12-19
19951995-01-061995-12-19
19961996-01-011996-12-04
19971997-01-091997-12-19
19981998-01-051998-12-20
19991999-01-011999-12-11
20002000-01-022000-12-13
20012001-01-282001-12-10
20022002-01-192002-12-24
20032003-02-142003-12-27
20042004-01-162004-12-06
20072007-01-052007-12-16
20082008-01-082008-12-27
20092009-01-282009-12-24
20102010-01-212010-11-29

Every Fixed Threshold

Fixed thresholds at Siloam Springs 1E
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5551194533
25 mm (0.98 in): Days with 25 mm or more rain5522194514
50 mm (1.97 in): Days with 50 mm or more rain50819755
100 mm (3.94 in): Days with 100 mm or more rain6119411
10 cm (3.9 in): Days with 10 cm or more snowfall15319482
25 cm (9.8 in): Days with 25 cm or more snowfall1119941

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

  • Data for Siloam Springs 1E 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).