Record envelope, standing records and threshold days for Mapulehu 542 (USC00516138), Hawaii, United States, with 53 years of record.
Key Facts for Mapulehu 542
Mapulehu 542 (USC00516138) is a weather station in Hawaii, United States at 21.07 latitude and -156.80 longitude, 6 m (20 ft) above sea level.
The station reports from 1921 to 1973, 53 years of record.
1,444 records set at Mapulehu 542 still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Mapulehu 542 set a daily record precipitation of 22.9 mm (0.9 in) on 18 July 1973.
About the Station
Location: Hawaii, United States, 21.07 latitude, -156.80 longitude.
Elevation: 6 m (20 ft).
Period of record: 1921 to 1973, 53 years.
Eligible elements: prcp.
Daily Record Envelope and 2026
0 days at or beyond a record
Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Mapulehu 542. 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 Mapulehu 542, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
32.2 C (90.0 F)
12.2 C (54.0 F)
n/a
n/a
Feb
32.2 C (90.0 F)
15.6 C (60.1 F)
n/a
n/a
Mar
33.3 C (91.9 F)
13.3 C (55.9 F)
n/a
n/a
Apr
33.3 C (91.9 F)
15.6 C (60.1 F)
n/a
n/a
May
31.7 C (89.1 F)
14.4 C (57.9 F)
n/a
n/a
Jun
30.6 C (87.1 F)
16.1 C (61.0 F)
n/a
n/a
Jul
31.7 C (89.1 F)
17.8 C (64.0 F)
n/a
n/a
Aug
31.1 C (88.0 F)
17.2 C (63.0 F)
n/a
n/a
Sep
31.1 C (88.0 F)
16.1 C (61.0 F)
n/a
n/a
Oct
31.7 C (89.1 F)
16.7 C (62.1 F)
n/a
n/a
Nov
31.7 C (89.1 F)
16.7 C (62.1 F)
n/a
n/a
Dec
32.2 C (90.0 F)
13.9 C (57.0 F)
n/a
n/a
Which Years Hold Standing Records
1,444 standing records
Year with most
1,444 records at Mapulehu 542 still stand. 1923 holds the most, with 481.
Standing records at Mapulehu 542 by the year they were set
Year set
Standing records
1921
109
1922
61
1923
481
1924
181
1925
125
1934
55
1940
36
1941
46
1942
299
1943
33
1945
18
All-Time Record Progression
1 new records
1 all-time records were set at Mapulehu 542 between 1 November 1961 and 1 November 1961. Each dot is a new record.
When Mapulehu 542 set new all-time records
Date
Kind
Detail
1961-11-01
Record daily precipitation
Record daily precipitation 205.7 mm (8.1 in)
Wettest Day of Each Month
Nov: 205.7 mm (8.1 in)
The wettest day on record for each calendar month at Mapulehu 542. The most was 205.7 mm (8.1 in) on 1 November 1961.
Record daily precipitation for each month at Mapulehu 542
Month
Record daily precipitation (mm)
Date
Jan
195.6 mm (7.7 in)
19 January 1952
Feb
95.3 mm (3.8 in)
22 February 1932
Mar
152.4 mm (6.0 in)
31 March 1923
Apr
184.2 mm (7.3 in)
13 April 1965
May
67.3 mm (2.6 in)
6 May 1940
Jun
44.5 mm (1.8 in)
6 June 1947
Jul
96.5 mm (3.8 in)
27 July 1928
Aug
63.5 mm (2.5 in)
14 August 1950
Sep
101.6 mm (4.0 in)
4 September 1947
Oct
147.3 mm (5.8 in)
23 October 1939
Nov
205.7 mm (8.1 in)
1 November 1961
Dec
121.9 mm (4.8 in)
19 December 1955
Period of Record Coverage
1921 to 1945
Complete yearUnder 90 percent of days
11 years of record at Mapulehu 542, 1921 to 1945. 11 years have data for under 90 percent of days and are left out of rankings: 1921, 1922, 1923, 1924, 1925, 1934, 1940, 1941 and others.
Yearly extremes at Mapulehu 542: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
33.3 C (91.9 F)
1924
31.1 C (88.0 F)
11
Coldest night (TNn)
12.2 C (54.0 F)
1940
15.0 C (59.0 F)
11
Wettest day (Rx1day)
205.7 mm (8.1 in)
1961
81.3 mm (3.2 in)
53
Wettest five days (Rx5day)
342.9 mm (13.5 in)
1945
123.7 mm (4.9 in)
53
Longest dry spell (CDD)
52 days
1945
14 days
53
Hottest day (TXx)
The hottest day of the year at Mapulehu 542, 1921 to 1973. The record is 33.3 C (91.9 F) in 1924, marked on the chart; the median year is 31.1 C (88.0 F).
Hottest day (TXx) at Mapulehu 542 by year
Year
Hottest day (TXx)
1921
31.7 C (89.1 F)
1922
31.7 C (89.1 F)
1923
32.2 C (90.0 F)
1924
33.3 C (91.9 F)
1925
33.3 C (91.9 F)
1926
n/a
1927
n/a
1928
n/a
1929
n/a
1930
n/a
1931
n/a
1932
n/a
1933
n/a
1934
30.6 C (87.1 F)
1935
n/a
1936
n/a
1937
n/a
1938
n/a
1939
n/a
1940
28.3 C (82.9 F)
1941
30.0 C (86.0 F)
1942
31.1 C (88.0 F)
1943
30.6 C (87.1 F)
1944
n/a
1945
27.8 C (82.0 F)
1946
n/a
1947
n/a
1948
n/a
1949
n/a
1950
n/a
1951
n/a
1952
n/a
1953
n/a
1954
n/a
1955
n/a
1956
n/a
1957
n/a
1958
n/a
1959
n/a
1960
n/a
1961
n/a
1962
n/a
1963
n/a
1964
n/a
1965
n/a
1966
n/a
1967
n/a
1968
n/a
1969
n/a
1970
n/a
1971
n/a
1972
n/a
1973
n/a
Coldest night (TNn)
The coldest night of the year at Mapulehu 542, 1921 to 1973. The record is 12.2 C (54.0 F) in 1940, marked on the chart; the median year is 15.0 C (59.0 F).
Coldest night (TNn) at Mapulehu 542 by year
Year
Coldest night (TNn)
1921
15.0 C (59.0 F)
1922
17.8 C (64.0 F)
1923
13.9 C (57.0 F)
1924
14.4 C (57.9 F)
1925
17.2 C (63.0 F)
1926
n/a
1927
n/a
1928
n/a
1929
n/a
1930
n/a
1931
n/a
1932
n/a
1933
n/a
1934
18.3 C (64.9 F)
1935
n/a
1936
n/a
1937
n/a
1938
n/a
1939
n/a
1940
12.2 C (54.0 F)
1941
16.7 C (62.1 F)
1942
13.3 C (55.9 F)
1943
16.1 C (61.0 F)
1944
n/a
1945
15.0 C (59.0 F)
1946
n/a
1947
n/a
1948
n/a
1949
n/a
1950
n/a
1951
n/a
1952
n/a
1953
n/a
1954
n/a
1955
n/a
1956
n/a
1957
n/a
1958
n/a
1959
n/a
1960
n/a
1961
n/a
1962
n/a
1963
n/a
1964
n/a
1965
n/a
1966
n/a
1967
n/a
1968
n/a
1969
n/a
1970
n/a
1971
n/a
1972
n/a
1973
n/a
Wettest day (Rx1day)
The wettest day of the year at Mapulehu 542, 1921 to 1973. The record is 205.7 mm (8.1 in) in 1961, marked on the chart; the median year is 81.3 mm (3.2 in).
Wettest day (Rx1day) at Mapulehu 542 by year
Year
Wettest day (Rx1day)
1921
34.0 mm (1.3 in)
1922
25.4 mm (1.0 in)
1923
152.4 mm (6.0 in)
1924
46.7 mm (1.8 in)
1925
50.8 mm (2.0 in)
1926
25.9 mm (1.0 in)
1927
116.8 mm (4.6 in)
1928
96.5 mm (3.8 in)
1929
103.4 mm (4.1 in)
1930
76.2 mm (3.0 in)
1931
50.8 mm (2.0 in)
1932
95.3 mm (3.8 in)
1933
114.3 mm (4.5 in)
1934
50.8 mm (2.0 in)
1935
72.4 mm (2.9 in)
1936
77.5 mm (3.1 in)
1937
119.4 mm (4.7 in)
1938
50.8 mm (2.0 in)
1939
147.3 mm (5.8 in)
1940
88.9 mm (3.5 in)
1941
50.8 mm (2.0 in)
1942
53.3 mm (2.1 in)
1943
127.0 mm (5.0 in)
1944
78.7 mm (3.1 in)
1945
127.0 mm (5.0 in)
1946
81.3 mm (3.2 in)
1947
101.6 mm (4.0 in)
1948
99.1 mm (3.9 in)
1949
48.3 mm (1.9 in)
1950
68.6 mm (2.7 in)
1951
139.7 mm (5.5 in)
1952
195.6 mm (7.7 in)
1953
54.6 mm (2.1 in)
1954
81.3 mm (3.2 in)
1955
185.4 mm (7.3 in)
1956
57.9 mm (2.3 in)
1957
50.8 mm (2.0 in)
1958
71.1 mm (2.8 in)
1959
65.5 mm (2.6 in)
1960
64.3 mm (2.5 in)
1961
205.7 mm (8.1 in)
1962
103.9 mm (4.1 in)
1963
86.9 mm (3.4 in)
1964
104.4 mm (4.1 in)
1965
184.2 mm (7.3 in)
1966
132.3 mm (5.2 in)
1967
127.0 mm (5.0 in)
1968
79.5 mm (3.1 in)
1969
76.2 mm (3.0 in)
1970
154.9 mm (6.1 in)
1971
62.7 mm (2.5 in)
1972
90.7 mm (3.6 in)
1973
23.9 mm (0.9 in)
Wettest five days (Rx5day)
The wettest five days of the year at Mapulehu 542, 1921 to 1973. The record is 342.9 mm (13.5 in) in 1945, marked on the chart; the median year is 123.7 mm (4.9 in).
Wettest five days (Rx5day) at Mapulehu 542 by year
Year
Wettest five days (Rx5day)
1921
69.5 mm (2.7 in)
1922
32.2 mm (1.3 in)
1923
335.8 mm (13.2 in)
1924
92.4 mm (3.6 in)
1925
82.0 mm (3.2 in)
1926
33.1 mm (1.3 in)
1927
89.1 mm (3.5 in)
1928
129.5 mm (5.1 in)
1929
166.4 mm (6.6 in)
1930
89.4 mm (3.5 in)
1931
31.3 mm (1.2 in)
1932
138.9 mm (5.5 in)
1933
150.6 mm (5.9 in)
1934
59.7 mm (2.4 in)
1935
83.8 mm (3.3 in)
1936
108.5 mm (4.3 in)
1937
132.1 mm (5.2 in)
1938
66.0 mm (2.6 in)
1939
149.8 mm (5.9 in)
1940
97.8 mm (3.9 in)
1941
88.9 mm (3.5 in)
1942
138.5 mm (5.5 in)
1943
223.6 mm (8.8 in)
1944
78.8 mm (3.1 in)
1945
342.9 mm (13.5 in)
1946
157.5 mm (6.2 in)
1947
101.6 mm (4.0 in)
1948
245.2 mm (9.7 in)
1949
76.2 mm (3.0 in)
1950
152.4 mm (6.0 in)
1951
165.1 mm (6.5 in)
1952
197.4 mm (7.8 in)
1953
73.7 mm (2.9 in)
1954
100.0 mm (3.9 in)
1955
190.5 mm (7.5 in)
1956
97.3 mm (3.8 in)
1957
68.0 mm (2.7 in)
1958
119.1 mm (4.7 in)
1959
137.7 mm (5.4 in)
1960
87.3 mm (3.4 in)
1961
302.2 mm (11.9 in)
1962
240.5 mm (9.5 in)
1963
149.1 mm (5.9 in)
1964
142.3 mm (5.6 in)
1965
203.6 mm (8.0 in)
1966
170.6 mm (6.7 in)
1967
217.9 mm (8.6 in)
1968
123.7 mm (4.9 in)
1969
142.0 mm (5.6 in)
1970
252.7 mm (9.9 in)
1971
110.4 mm (4.3 in)
1972
93.3 mm (3.7 in)
1973
55.9 mm (2.2 in)
Longest dry spell (CDD)
The longest dry spell of the year at Mapulehu 542, 1921 to 1973. The record is 52 days in 1945, marked on the chart; the median year is 14 days.
Longest dry spell (CDD) at Mapulehu 542 by year
Year
Longest dry spell (CDD)
1921
17 days
1922
6 days
1923
17 days
1924
4 days
1925
10 days
1926
11 days
1927
8 days
1928
18 days
1929
28 days
1930
24 days
1931
1 day
1932
11 days
1933
8 days
1934
13 days
1935
11 days
1936
5 days
1937
13 days
1938
11 days
1939
10 days
1940
32 days
1941
22 days
1942
27 days
1943
22 days
1944
22 days
1945
52 days
1946
18 days
1947
20 days
1948
12 days
1949
14 days
1950
21 days
1951
30 days
1952
18 days
1953
17 days
1954
14 days
1955
20 days
1956
9 days
1957
18 days
1958
16 days
1959
14 days
1960
20 days
1961
11 days
1962
19 days
1963
14 days
1964
17 days
1965
16 days
1966
18 days
1967
14 days
1968
9 days
1969
11 days
1970
14 days
1971
10 days
1972
13 days
1973
8 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 Mapulehu 542 standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Mapulehu 542 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.