Arno Weather Records (RMC00914053)

Record envelope, standing records and threshold days for Arno (RMC00914053), MH, Marshall Islands, with 31 years of record.

Key Facts for Arno

Arno (RMC00914053) is a weather station in MH, Marshall Islands at 7.06 latitude and 171.56 longitude, 2 m (8 ft) above sea level.
The station reports from 1991 to 2021, 31 years of record.
1,464 records set at Arno still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: MH, Marshall Islands, 7.06 latitude, 171.56 longitude.
Elevation: 2 m (8 ft).
Period of record: 1991 to 2021, 31 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Arno. 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 Arno, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	32.8 C (91.0 F)	22.2 C (72.0 F)	n/a	n/a
Feb	36.1 C (97.0 F)	21.1 C (70.0 F)	n/a	n/a
Mar	33.9 C (93.0 F)	21.1 C (70.0 F)	n/a	n/a
Apr	33.9 C (93.0 F)	21.1 C (70.0 F)	n/a	n/a
May	32.2 C (90.0 F)	21.1 C (70.0 F)	n/a	n/a
Jun	36.7 C (98.1 F)	21.1 C (70.0 F)	n/a	n/a
Jul	35.6 C (96.1 F)	21.1 C (70.0 F)	n/a	n/a
Aug	33.3 C (91.9 F)	21.1 C (70.0 F)	n/a	n/a
Sep	33.9 C (93.0 F)	21.1 C (70.0 F)	n/a	n/a
Oct	33.9 C (93.0 F)	21.1 C (70.0 F)	n/a	n/a
Nov	33.9 C (93.0 F)	21.1 C (70.0 F)	n/a	n/a
Dec	32.8 C (91.0 F)	18.3 C (64.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Arno still stand. 1996 holds the most, with 221.

Standing records at Arno by the year they were set
Year set	Standing records
1991	51
1992	40
1993	26
1994	146
1995	76
1996	221
1997	115
1998	136
1999	32
2000	1
2002	107
2003	115
2005	11
2006	5
2014	110
2015	65
2016	48
2017	34
2018	26
2019	36
2020	47
2021	16

Wettest Day of Each Month

Feb: 174.0 mm (6.9 in)

The wettest day on record for each calendar month at Arno. The most was 174.0 mm (6.9 in) on 28 February 2014.

Record daily precipitation for each month at Arno
Month	Record daily precipitation (mm)	Date
Jan	102.9 mm (4.1 in)	15 January 2015
Feb	174.0 mm (6.9 in)	28 February 2014
Mar	106.2 mm (4.2 in)	2 March 1996
Apr	172.7 mm (6.8 in)	19 April 1996
May	115.1 mm (4.5 in)	11 May 1994
Jun	70.9 mm (2.8 in)	17 June 2020
Jul	139.7 mm (5.5 in)	3 July 2015
Aug	101.9 mm (4.0 in)	4 August 2017
Sep	117.3 mm (4.6 in)	17 September 2014
Oct	98.6 mm (3.9 in)	5 October 2016
Nov	106.7 mm (4.2 in)	13 November 1995
Dec	102.1 mm (4.0 in)	5 December 2019

Period of Record Coverage

1991 to 2021

22 years of record at Arno, 1991 to 2021. 15 years have data for under 90 percent of days and are left out of rankings: 1991, 1992, 1993, 1997, 1999, 2000, 2002, 2003 and others.

Days with data per year at Arno
Year	Days with data	Share of year	Complete
1991	179	49%	No
1992	213	58%	No
1993	212	58%	No
1994	334	92%	Yes
1995	334	92%	Yes
1996	332	91%	Yes
1997	273	75%	No
1998	365	100%	Yes
1999	182	50%	No
2000	29	8%	No
2002	181	50%	No
2003	179	49%	No
2005	31	8%	No
2006	31	8%	No
2014	364	100%	Yes
2015	334	92%	Yes
2016	244	67%	No
2017	272	75%	No
2018	89	24%	No
2019	183	50%	No
2020	366	100%	Yes
2021	153	42%	No

Latest Records

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

Extremes by Year

1991 to 2021

Yearly extremes at Arno: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.7 C (98.1 F)	1998	32.2 C (90.0 F)	22
Coldest night (TNn)	18.3 C (64.9 F)	2003	21.7 C (71.1 F)	22
Wettest day (Rx1day)	174.0 mm (6.9 in)	2014	101.2 mm (4.0 in)	22
Wettest five days (Rx5day)	283.5 mm (11.2 in)	1996	189.9 mm (7.5 in)	22
Longest dry spell (CDD)	24 days	1992	9 days	22

Hottest day (TXx)

The hottest day of the year at Arno, 1991 to 2021. The record is 36.7 C (98.1 F) in 1998, marked on the chart; the median year is 32.2 C (90.0 F).

Hottest day (TXx) at Arno by year
Year	Hottest day (TXx)
1991	33.9 C (93.0 F)
1992	32.2 C (90.0 F)
1993	32.2 C (90.0 F)
1994	31.7 C (89.1 F)
1995	33.9 C (93.0 F)
1996	35.6 C (96.1 F)
1997	32.2 C (90.0 F)
1998	36.7 C (98.1 F)
1999	32.2 C (90.0 F)
2000	32.2 C (90.0 F)
2002	33.9 C (93.0 F)
2003	33.3 C (91.9 F)
2005	31.7 C (89.1 F)
2006	31.7 C (89.1 F)
2014	33.9 C (93.0 F)
2015	33.9 C (93.0 F)
2016	32.8 C (91.0 F)
2017	32.8 C (91.0 F)
2018	32.2 C (90.0 F)
2019	32.2 C (90.0 F)
2020	32.2 C (90.0 F)
2021	31.7 C (89.1 F)

Coldest night (TNn)

The coldest night of the year at Arno, 1991 to 2021. The record is 18.3 C (64.9 F) in 2003, marked on the chart; the median year is 21.7 C (71.1 F).

Coldest night (TNn) at Arno by year
Year	Coldest night (TNn)
1991	21.7 C (71.1 F)
1992	22.2 C (72.0 F)
1993	22.2 C (72.0 F)
1994	21.1 C (70.0 F)
1995	21.1 C (70.0 F)
1996	21.1 C (70.0 F)
1997	21.7 C (71.1 F)
1998	21.1 C (70.0 F)
1999	21.1 C (70.0 F)
2000	21.1 C (70.0 F)
2002	23.3 C (73.9 F)
2003	18.3 C (64.9 F)
2005	23.3 C (73.9 F)
2006	23.3 C (73.9 F)
2014	22.2 C (72.0 F)
2015	22.2 C (72.0 F)
2016	22.8 C (73.0 F)
2017	21.7 C (71.1 F)
2018	21.7 C (71.1 F)
2019	21.1 C (70.0 F)
2020	21.7 C (71.1 F)
2021	22.2 C (72.0 F)

Wettest day (Rx1day)

The wettest day of the year at Arno, 1991 to 2021. The record is 174.0 mm (6.9 in) in 2014, marked on the chart; the median year is 101.2 mm (4.0 in).

Wettest day (Rx1day) at Arno by year
Year	Wettest day (Rx1day)
1991	51.1 mm (2.0 in)
1992	50.8 mm (2.0 in)
1993	50.8 mm (2.0 in)
1994	115.1 mm (4.5 in)
1995	106.7 mm (4.2 in)
1996	172.7 mm (6.8 in)
1997	127.0 mm (5.0 in)
1998	96.5 mm (3.8 in)
1999	50.8 mm (2.0 in)
2000	48.3 mm (1.9 in)
2002	78.5 mm (3.1 in)
2003	153.9 mm (6.1 in)
2005	79.0 mm (3.1 in)
2006	25.1 mm (1.0 in)
2014	174.0 mm (6.9 in)
2015	139.7 mm (5.5 in)
2016	100.3 mm (3.9 in)
2017	106.7 mm (4.2 in)
2018	103.9 mm (4.1 in)
2019	102.1 mm (4.0 in)
2020	129.0 mm (5.1 in)
2021	92.2 mm (3.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Arno, 1991 to 2021. The record is 283.5 mm (11.2 in) in 1996, marked on the chart; the median year is 189.9 mm (7.5 in).

Wettest five days (Rx5day) at Arno by year
Year	Wettest five days (Rx5day)
1991	234.5 mm (9.2 in)
1992	196.5 mm (7.7 in)
1993	179.6 mm (7.1 in)
1994	217.5 mm (8.6 in)
1995	218.7 mm (8.6 in)
1996	283.5 mm (11.2 in)
1997	183.3 mm (7.2 in)
1998	163.9 mm (6.5 in)
1999	151.4 mm (6.0 in)
2000	124.3 mm (4.9 in)
2002	149.9 mm (5.9 in)
2003	220.7 mm (8.7 in)
2005	104.9 mm (4.1 in)
2006	89.9 mm (3.5 in)
2014	240.4 mm (9.5 in)
2015	214.8 mm (8.5 in)
2016	222.0 mm (8.7 in)
2017	251.5 mm (9.9 in)
2018	263.7 mm (10.4 in)
2019	175.6 mm (6.9 in)
2020	180.9 mm (7.1 in)
2021	180.5 mm (7.1 in)

Longest dry spell (CDD)

The longest dry spell of the year at Arno, 1991 to 2021. The record is 24 days in 1992, marked on the chart; the median year is 9 days.

Longest dry spell (CDD) at Arno by year
Year	Longest dry spell (CDD)
1991	5 days
1992	24 days
1993	6 days
1994	12 days
1995	18 days
1996	7 days
1997	6 days
1998	15 days
1999	10 days
2000	2 days
2002	7 days
2003	13 days
2005	4 days
2006	4 days
2014	11 days
2015	9 days
2016	19 days
2017	12 days
2018	5 days
2019	9 days
2020	8 days
2021	9 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 Arno standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Arno 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

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