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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Waimea 947 Threshold Days by Year

9 fixed thresholds counted per year at Waimea 947 (USC00519629): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Waimea 947 Thresholds

  • Waimea 947: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1967 with 28.
  • Waimea 947: days with 25 mm (0.98 in) or more of precipitation in 54 years, most in 1968 with 16.
  • Waimea 947: days with 50 mm (1.97 in) or more of precipitation in 49 years, most in 1951 with 6.
  • Waimea 947: days with 100 mm (3.94 in) or more of precipitation in 18 years, most in 1951 with 2.
  • 9 fixed thresholds have at least one qualifying day at Waimea 947.
15 years with a qualifying day
Days at or above 30 C (86 F) per year at Waimea 947 Days per year at Waimea 947 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 229 in 1981. 01002003001979: 1441980: 1811981: 2291983: 1471985: 1641998: 951999: 752000: 1212001: 762002: 992003: 1462004: 1382008: 702009: 872010: 6019791981198519992001200320082010
Days per year at Waimea 947 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 229 in 1981.
Days at or above 30 C (86 F) per year at Waimea 947
YearDaysDecade average
1979144144
1980181180.3
1981229180.3
1983147180.3
1985164180.3
19989585
19997585
2000121105.3
200176105.3
200299105.3
2003146105.3
2004138105.3
200870105.3
200987105.3
20106060
First to last qualifying date each year at Waimea 947 For each year, a bar from the first to the last day at Waimea 947 meeting 30 C (86 F). 1979: 13 March 1979 to 2 December 19791980: 9 February 1980 to 3 December 19801981: 25 January 1981 to 22 December 19811983: 7 June 1983 to 12 December 19831985: 23 January 1985 to 5 December 19851998: 14 March 1998 to 8 November 19981999: 19 May 1999 to 15 November 19992000: 5 May 2000 to 8 November 20002001: 12 January 2001 to 18 November 20012002: 5 May 2002 to 26 October 20022003: 4 March 2003 to 12 November 20032004: 21 May 2004 to 12 November 20042008: 26 May 2008 to 19 October 20082009: 5 June 2009 to 1 November 20092010: 23 May 2010 to 30 October 201019791981198519992001200320082010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Waimea 947 meeting 30 C (86 F).
First to last qualifying date each year at Waimea 947
YearFirst dateLast date
19791979-03-131979-12-02
19801980-02-091980-12-03
19811981-01-251981-12-22
19831983-06-071983-12-12
19851985-01-231985-12-05
19981998-03-141998-11-08
19991999-05-191999-11-15
20002000-05-052000-11-08
20012001-01-122001-11-18
20022002-05-052002-10-26
20032003-03-042003-11-12
20042004-05-212004-11-12
20082008-05-262008-10-19
20092009-06-052009-11-01
20102010-05-232010-10-30

Every Fixed Threshold

Fixed thresholds at Waimea 947
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days15229198160
90 F (32.2 C): Days956198111
20 C (68 F): Tropical nights (min102101983128
25 C (77 F): Days with min1119851
10 mm (0.39 in): Days with 10 mm or more rain5528196712
25 mm (0.98 in): Days with 25 mm or more rain541619685
50 mm (1.97 in): Days with 50 mm or more rain49619513
100 mm (3.94 in): Days with 100 mm or more rain18219511
200 mm (7.87 in): Days with 200 mm or more rain3119511

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1979.

Download the Data

  • Data for Waimea 947 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).