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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Walla Threshold Days by Year (ASN00039258)

4 fixed thresholds counted per year at Walla (ASN00039258): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Walla Thresholds

  • Walla: days with 10 mm (0.39 in) or more of precipitation in 22 years, most in 1959 with 34.
  • Walla: days with 25 mm (0.98 in) or more of precipitation in 22 years, most in 1971 with 18.
  • Walla: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1959 with 7.
  • Walla: days with 100 mm (3.94 in) or more of precipitation in 8 years, most in 1959 with 1.
  • 4 fixed thresholds have at least one qualifying day at Walla.
22 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Walla Days per year at Walla with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1959. 0102030401959: 341960: 171961: 251962: 301963: 171964: 261965: 181968: 301969: 131970: 291971: 321995: 121997: 162000: 262018: 172019: 72020: 182021: 232022: 322023: 202024: 312025: 2319591962196519701997201920222025
Days per year at Walla with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1959.
Days with 10 mm (0.39 in) or more of precipitation per year at Walla
YearDaysDecade average
19593434
19601722
19612522
19623022
19631722
19642622
19651822
19683022
19691322
19702930.5
19713230.5
19951214
19971614
20002626
20181712
2019712
20201824.5
20212324.5
20223224.5
20232024.5
20243124.5
20252324.5
First to last qualifying date each year at Walla For each year, a bar from the first to the last day at Walla meeting 10 mm (0.39 in). 1959: 3 January 1959 to 27 December 19591960: 6 January 1960 to 6 December 19601961: 4 January 1961 to 19 December 19611962: 3 January 1962 to 31 December 19621963: 1 January 1963 to 15 December 19631964: 1 January 1964 to 23 December 19641965: 2 January 1965 to 2 December 19651968: 3 January 1968 to 30 December 19681969: 11 February 1969 to 24 December 19691970: 14 January 1970 to 30 December 19701971: 16 January 1971 to 28 December 19711995: 18 January 1995 to 6 December 19951997: 30 January 1997 to 29 December 19972000: 3 January 2000 to 9 December 20002018: 1 January 2018 to 23 December 20182019: 15 February 2019 to 8 December 20192020: 13 January 2020 to 31 December 20202021: 7 January 2021 to 25 December 20212022: 8 January 2022 to 15 December 20222023: 5 January 2023 to 31 December 20232024: 2 January 2024 to 31 December 20242025: 1 January 2025 to 25 December 202519591962196519701997201920222025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Walla meeting 10 mm (0.39 in).
First to last qualifying date each year at Walla
YearFirst dateLast date
19591959-01-031959-12-27
19601960-01-061960-12-06
19611961-01-041961-12-19
19621962-01-031962-12-31
19631963-01-011963-12-15
19641964-01-011964-12-23
19651965-01-021965-12-02
19681968-01-031968-12-30
19691969-02-111969-12-24
19701970-01-141970-12-30
19711971-01-161971-12-28
19951995-01-181995-12-06
19971997-01-301997-12-29
20002000-01-032000-12-09
20182018-01-012018-12-23
20192019-02-152019-12-08
20202020-01-132020-12-31
20212021-01-072021-12-25
20222022-01-082022-12-15
20232023-01-052023-12-31
20242024-01-022024-12-31
20252025-01-012025-12-25

Every Fixed Threshold

Fixed thresholds at Walla
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2234195923
25 mm (0.98 in): Days with 25 mm or more rain221819716
50 mm (1.97 in): Days with 50 mm or more rain17719591
100 mm (3.94 in): Days with 100 mm or more rain8119591

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

  • Data for Walla 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).