Built 2026-10-17 (17 October 2026)

Alakahi Upper Weather Records (USC00510137)

Record envelope, standing records and threshold days for Alakahi Upper (USC00510137), Hawaii, United States, with 30 years of record.

Key Facts for Alakahi Upper

  • Alakahi Upper (USC00510137) is a weather station in Hawaii, United States at 20.07 latitude and -155.67 longitude, 1,214 m (3,983 ft) above sea level.
  • The station reports from 1919 to 1948, 30 years of record.
  • 0 records set at Alakahi Upper still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Hawaii, United States, 20.07 latitude, -155.67 longitude.
  • Elevation: 1,214 m (3,983 ft).
  • Period of record: 1919 to 1948, 30 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Alakahi Upper, with 2026 drawn through them The band shows the record high and record low for each calendar day at Alakahi Upper. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Alakahi Upper. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Alakahi Upper, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Decn/an/an/an/a

Which Years Hold Standing Records

0 standing records
Standing records at Alakahi Upper by the year they were set 0 records at Alakahi Upper still stand. 00000000000
0 records at Alakahi Upper still stand.
Standing records at Alakahi Upper by the year they were set
Year setStanding records

Wettest Day of Each Month

Mar: 369.6 mm (14.6 in)
Record daily precipitation for each month at Alakahi Upper The wettest day on record for each calendar month at Alakahi Upper. The most was 369.6 mm (14.6 in) on 9 March 1942. 0100200300400 Jan: 231.1 mm (9.1 in), 26 January 1948 Jan Feb: 154.9 mm (6.1 in), 16 February 1946 Feb Mar: 369.6 mm (14.6 in), 9 March 1942 Mar Apr: 222.3 mm (8.8 in), 8 April 1938 Apr May: 143.5 mm (5.6 in), 2 May 1940 May Jun: 161.3 mm (6.4 in), 29 June 1941 Jun Jul: 164.3 mm (6.5 in), 21 July 1931 Jul Aug: 212.9 mm (8.4 in), 24 August 1940 Aug Sep: 144.8 mm (5.7 in), 9 September 1922 Sep Oct: 104.4 mm (4.1 in), 15 October 1924 Oct Nov: 333.8 mm (13.1 in), 21 November 1924 Nov Dec: 226.6 mm (8.9 in), 19 December 1929 Dec
The wettest day on record for each calendar month at Alakahi Upper. The most was 369.6 mm (14.6 in) on 9 March 1942.
Record daily precipitation for each month at Alakahi Upper
MonthRecord daily precipitation (mm)Date
Jan231.1 mm (9.1 in)26 January 1948
Feb154.9 mm (6.1 in)16 February 1946
Mar369.6 mm (14.6 in)9 March 1942
Apr222.3 mm (8.8 in)8 April 1938
May143.5 mm (5.6 in)2 May 1940
Jun161.3 mm (6.4 in)29 June 1941
Jul164.3 mm (6.5 in)21 July 1931
Aug212.9 mm (8.4 in)24 August 1940
Sep144.8 mm (5.7 in)9 September 1922
Oct104.4 mm (4.1 in)15 October 1924
Nov333.8 mm (13.1 in)21 November 1924
Dec226.6 mm (8.9 in)19 December 1929

Latest Records

0

No records were set at this station in the latest data.

Extremes by Year

1919 to 1948
Yearly extremes at Alakahi Upper: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)369.6 mm (14.6 in)1942152.6 mm (6.0 in)30
Wettest five days (Rx5day)869.3 mm (34.2 in)1942340.8 mm (13.4 in)30
Longest dry spell (CDD)18 days19196 days30

Wettest day (Rx1day)

Wettest day (Rx1day) at Alakahi Upper by year The wettest day of the year at Alakahi Upper, 1919 to 1948. The record is 369.6 mm (14.6 in) in 1942, marked on the chart; the median year is 152.6 mm (6.0 in). 0100200300400192019251930193519401945Record: 369.6 mm (14.6 in) in 1942
The wettest day of the year at Alakahi Upper, 1919 to 1948. The record is 369.6 mm (14.6 in) in 1942, marked on the chart; the median year is 152.6 mm (6.0 in).
Wettest day (Rx1day) at Alakahi Upper by year
YearWettest day (Rx1day)
191996.5 mm (3.8 in)
1920115.6 mm (4.6 in)
1921172.7 mm (6.8 in)
1922144.8 mm (5.7 in)
1923209.3 mm (8.2 in)
1924333.8 mm (13.1 in)
1925126.2 mm (5.0 in)
1926135.1 mm (5.3 in)
1927114.3 mm (4.5 in)
1928158.8 mm (6.3 in)
1929226.6 mm (8.9 in)
1930141.5 mm (5.6 in)
1931164.3 mm (6.5 in)
1932123.7 mm (4.9 in)
1933173.5 mm (6.8 in)
1934119.9 mm (4.7 in)
1935156.7 mm (6.2 in)
1936148.6 mm (5.9 in)
1937140.5 mm (5.5 in)
1938222.3 mm (8.8 in)
1939117.3 mm (4.6 in)
1940212.9 mm (8.4 in)
1941161.3 mm (6.4 in)
1942369.6 mm (14.6 in)
1943123.2 mm (4.9 in)
194481.5 mm (3.2 in)
1945101.6 mm (4.0 in)
1946200.9 mm (7.9 in)
1947193.0 mm (7.6 in)
1948231.1 mm (9.1 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Alakahi Upper by year The wettest five days of the year at Alakahi Upper, 1919 to 1948. The record is 869.3 mm (34.2 in) in 1942, marked on the chart; the median year is 340.8 mm (13.4 in). 02004006008001,000192019251930193519401945Record: 869.3 mm (34.2 in) in 1942
The wettest five days of the year at Alakahi Upper, 1919 to 1948. The record is 869.3 mm (34.2 in) in 1942, marked on the chart; the median year is 340.8 mm (13.4 in).
Wettest five days (Rx5day) at Alakahi Upper by year
YearWettest five days (Rx5day)
1919249.2 mm (9.8 in)
1920228.1 mm (9.0 in)
1921637.5 mm (25.1 in)
1922363.8 mm (14.3 in)
1923473.4 mm (18.6 in)
1924518.4 mm (20.4 in)
1925201.4 mm (7.9 in)
1926231.4 mm (9.1 in)
1927215.2 mm (8.5 in)
1928366.0 mm (14.4 in)
1929401.1 mm (15.8 in)
1930256.9 mm (10.1 in)
1931341.9 mm (13.5 in)
1932292.6 mm (11.5 in)
1933345.4 mm (13.6 in)
1934337.6 mm (13.3 in)
1935303.0 mm (11.9 in)
1936491.2 mm (19.3 in)
1937339.7 mm (13.4 in)
1938457.3 mm (18.0 in)
1939316.5 mm (12.5 in)
1940440.2 mm (17.3 in)
1941297.6 mm (11.7 in)
1942869.3 mm (34.2 in)
1943266.2 mm (10.5 in)
1944247.7 mm (9.8 in)
1945167.1 mm (6.6 in)
1946478.0 mm (18.8 in)
1947394.8 mm (15.5 in)
1948367.0 mm (14.4 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Alakahi Upper by year The longest dry spell of the year at Alakahi Upper, 1919 to 1948. The record is 18 days in 1919, marked on the chart; the median year is 6 days. 05101520192019251930193519401945Record: 18 days in 1919
The longest dry spell of the year at Alakahi Upper, 1919 to 1948. The record is 18 days in 1919, marked on the chart; the median year is 6 days.
Longest dry spell (CDD) at Alakahi Upper by year
YearLongest dry spell (CDD)
191918 days
19209 days
19219 days
19229 days
19238 days
19246 days
19255 days
19262 days
19275 days
19284 days
19298 days
19304 days
19313 days
19325 days
19333 days
193411 days
19357 days
19368 days
19375 days
19386 days
19395 days
19405 days
194116 days
194217 days
19435 days
19446 days
194510 days
19464 days
19474 days
19485 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

  • Data for Alakahi Upper standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Alakahi Upper 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). Records are computed by this site and are not official.

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