Built 2026-10-19 (19 October 2026)

Arpa Threshold Days by Year (KG000038623)

2 fixed thresholds counted per year at Arpa (KG000038623): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arpa Thresholds

  • Arpa: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1980 with 9.
  • Arpa: days with 25 mm (0.98 in) or more of precipitation in 2 years, most in 1962 with 1.
  • 2 fixed thresholds have at least one qualifying day at Arpa.
18 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Arpa Days per year at Arpa with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 9 in 1980. 0358101960: 81961: 11962: 31963: 61964: 31965: 61978: 31979: 61980: 91981: 51982: 21983: 21984: 31985: 31986: 41988: 41989: 31990: 3196019621964197819801982198419861989
Days per year at Arpa with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 9 in 1980.
Days with 10 mm (0.39 in) or more of precipitation per year at Arpa
YearDaysDecade average
196084.5
196114.5
196234.5
196364.5
196434.5
196564.5
197834.5
197964.5
198093.9
198153.9
198223.9
198323.9
198433.9
198533.9
198643.9
198843.9
198933.9
199033
First to last qualifying date each year at Arpa For each year, a bar from the first to the last day at Arpa meeting 10 mm (0.39 in). 1960: 7 February 1960 to 21 November 19601961: 14 May 1961 to 14 May 19611962: 23 May 1962 to 12 June 19621963: 17 February 1963 to 17 October 19631964: 21 April 1964 to 29 July 19641965: 21 May 1965 to 9 November 19651978: 11 May 1978 to 11 December 19781979: 5 April 1979 to 7 May 19791980: 14 February 1980 to 4 November 19801981: 14 April 1981 to 26 June 19811982: 7 July 1982 to 26 August 19821983: 19 May 1983 to 20 June 19831984: 13 February 1984 to 15 February 19841985: 21 March 1985 to 12 November 19851986: 23 July 1986 to 5 December 19861988: 22 March 1988 to 29 October 19881989: 23 May 1989 to 14 June 19891990: 14 March 1990 to 3 July 1990196019631978198119841988JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Arpa meeting 10 mm (0.39 in).
First to last qualifying date each year at Arpa
YearFirst dateLast date
19601960-02-071960-11-21
19611961-05-141961-05-14
19621962-05-231962-06-12
19631963-02-171963-10-17
19641964-04-211964-07-29
19651965-05-211965-11-09
19781978-05-111978-12-11
19791979-04-051979-05-07
19801980-02-141980-11-04
19811981-04-141981-06-26
19821982-07-071982-08-26
19831983-05-191983-06-20
19841984-02-131984-02-15
19851985-03-211985-11-12
19861986-07-231986-12-05
19881988-03-221988-10-29
19891989-05-231989-06-14
19901990-03-141990-07-03

Every Fixed Threshold

Fixed thresholds at Arpa
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain18919803
25 mm (0.98 in): Days with 25 mm or more rain2119621

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for Arpa 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).