Lowell Three Rivers Resort Weather Records (USW00004109)

Record envelope, standing records and threshold days for Lowell Three Rivers Resort (USW00004109), Idaho, United States, with 30 years of record.

Key Facts for Lowell Three Rivers Resort

Lowell Three Rivers Resort (USW00004109) is a weather station in Idaho, United States at 46.14 latitude and -115.60 longitude, 451 m (1,480 ft) above sea level.
The station reports from 1997 to 2026, 30 years of record.
1,464 records set at Lowell Three Rivers Resort still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Idaho, United States, 46.14 latitude, -115.60 longitude.
Elevation: 451 m (1,480 ft).
Period of record: 1997 to 2026, 30 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

15 days at or beyond a record

The band shows the record high and record low for each calendar day at Lowell Three Rivers Resort. The lines show the 2026 daily maximum and minimum. 15 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Lowell Three Rivers Resort, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	13.9 C (57.0 F)	-13.8 C (7.2 F)	8.3 C (46.9 F)	-9.9 C (14.2 F)
Feb	20.6 C (69.1 F)	-14.3 C (6.3 F)	10.6 C (51.1 F)	-14.3 C (6.3 F)
Mar	25.0 C (77.0 F)	-11.0 C (12.2 F)	22.2 C (72.0 F)	-2.1 C (28.2 F)
Apr	33.3 C (91.9 F)	-3.2 C (26.2 F)	27.8 C (82.0 F)	-1.0 C (30.2 F)
May	35.6 C (96.1 F)	-1.7 C (28.9 F)	30.6 C (87.1 F)	2.2 C (36.0 F)
Jun	43.3 C (109.9 F)	2.8 C (37.0 F)	n/a	n/a
Jul	42.2 C (108.0 F)	6.1 C (43.0 F)	37.2 C (99.0 F)	8.9 C (48.0 F)
Aug	43.3 C (109.9 F)	5.6 C (42.1 F)	37.8 C (100.0 F)	10.6 C (51.1 F)
Sep	37.8 C (100.0 F)	-1.1 C (30.0 F)	32.2 C (90.0 F)	4.4 C (39.9 F)
Oct	28.3 C (82.9 F)	-8.8 C (16.2 F)	22.8 C (73.0 F)	3.3 C (37.9 F)
Nov	20.6 C (69.1 F)	-13.2 C (8.2 F)	13.9 C (57.0 F)	-0.6 C (30.9 F)
Dec	13.3 C (55.9 F)	-16.0 C (3.2 F)	11.7 C (53.1 F)	-6.1 C (21.0 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Lowell Three Rivers Resort still stand. 2010 holds the most, with 95.

Standing records at Lowell Three Rivers Resort by the year they were set
Year set	Standing records
1997	20
1998	55
1999	84
2000	52
2001	53
2002	69
2003	55
2004	48
2005	47
2006	61
2007	46
2008	52
2009	59
2010	95
2011	45
2012	47
2013	57
2014	55
2015	74
2016	50
2017	48
2018	31
2019	42
2020	27
2021	37
2022	46
2023	33
2024	35
2025	41

Wettest Day of Each Month

Nov: 68.1 mm (2.7 in)

The wettest day on record for each calendar month at Lowell Three Rivers Resort. The most was 68.1 mm (2.7 in) on 25 November 1999.

Record daily precipitation for each month at Lowell Three Rivers Resort
Month	Record daily precipitation (mm)	Date
Jan	58.2 mm (2.3 in)	5 January 2009
Feb	48.8 mm (1.9 in)	21 February 2012
Mar	42.7 mm (1.7 in)	30 March 2011
Apr	51.1 mm (2.0 in)	9 April 2019
May	37.8 mm (1.5 in)	28 May 2006
Jun	39.4 mm (1.6 in)	2 June 2010
Jul	39.4 mm (1.6 in)	10 July 2016
Aug	25.1 mm (1.0 in)	21 August 2008
Sep	49.5 mm (1.9 in)	30 September 2000
Oct	40.9 mm (1.6 in)	31 October 2005
Nov	68.1 mm (2.7 in)	25 November 1999
Dec	60.5 mm (2.4 in)	1 December 2013

Period of Record Coverage

1997 to 2025

29 years of record at Lowell Three Rivers Resort, 1997 to 2025. 3 years have data for under 90 percent of days and are left out of rankings: 1997, 2024, 2025.

Days with data per year at Lowell Three Rivers Resort
Year	Days with data	Share of year	Complete
1997	208	57%	No
1998	363	99%	Yes
1999	363	99%	Yes
2000	366	100%	Yes
2001	362	99%	Yes
2002	352	96%	Yes
2003	357	98%	Yes
2004	365	100%	Yes
2005	365	100%	Yes
2006	364	100%	Yes
2007	358	98%	Yes
2008	358	98%	Yes
2009	355	97%	Yes
2010	356	98%	Yes
2011	364	100%	Yes
2012	358	98%	Yes
2013	343	94%	Yes
2014	363	99%	Yes
2015	354	97%	Yes
2016	363	99%	Yes
2017	356	98%	Yes
2018	362	99%	Yes
2019	349	96%	Yes
2020	360	98%	Yes
2021	346	95%	Yes
2022	357	98%	Yes
2023	339	93%	Yes
2024	276	75%	No
2025	258	71%	No

Latest Records

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

Climate Trend

24 complete years, 1998 to 2022

One stripe for each of 24 complete years at Lowell Three Rivers Resort, 1998 to 2022. Blue stripes are years cooler than the station's own mean of 11.0 C (51.7 F); red stripes are warmer. The coolest year was 2008, at 9.8 C (49.6 F), and the warmest was 2015, at 12.3 C (54.2 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at Lowell Three Rivers Resort as warming stripes, 1998 to 2022
Year	Annual mean temperature	Difference from the station mean
1998	11.2 C	+0.19 C
1999	10.8 C	-0.20 C
2000	10.9 C	-0.11 C
2001	11.0 C	+0.07 C
2002	10.3 C	-0.67 C
2003	11.4 C	+0.46 C
2004	11.6 C	+0.60 C
2005	11.0 C	+0.01 C
2006	11.3 C	+0.35 C
2007	11.3 C	+0.36 C
2008	9.8 C	-1.20 C
2009	10.2 C	-0.75 C
2010	11.4 C	+0.42 C
2011	10.2 C	-0.74 C
2012	11.2 C	+0.19 C
2013	11.1 C	+0.16 C
2014	11.3 C	+0.29 C
2015	12.3 C	+1.34 C
2016	11.7 C	+0.75 C
2017	10.9 C	-0.12 C
2018	11.1 C	+0.17 C
2019	10.5 C	-0.47 C
2020	10.6 C	-0.34 C
2022	10.2 C	-0.80 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1997 to 2026

Yearly extremes at Lowell Three Rivers Resort: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	43.3 C (109.9 F)	2015	40.0 C (104.0 F)	30
Coldest night (TNn)	-16.0 C (3.2 F)	2022	-11.0 C (12.1 F)	30
Wettest day (Rx1day)	68.1 mm (2.7 in)	1999	40.4 mm (1.6 in)	29
Wettest five days (Rx5day)	143.6 mm (5.7 in)	2019	83.4 mm (3.3 in)	28
Longest dry spell (CDD)	57 days	2017	31 days	29

Hottest day (TXx)

The hottest day of the year at Lowell Three Rivers Resort, 1997 to 2026. The record is 43.3 C (109.9 F) in 2015, marked on the chart; the median year is 40.0 C (104.0 F).

Hottest day (TXx) at Lowell Three Rivers Resort by year
Year	Hottest day (TXx)
1997	35.6 C (96.1 F)
1998	39.4 C (102.9 F)
1999	40.0 C (104.0 F)
2000	41.1 C (106.0 F)
2001	38.3 C (100.9 F)
2002	39.4 C (102.9 F)
2003	41.7 C (107.1 F)
2004	40.0 C (104.0 F)
2005	39.4 C (102.9 F)
2006	42.2 C (108.0 F)
2007	41.7 C (107.1 F)
2008	39.4 C (102.9 F)
2009	40.0 C (104.0 F)
2010	40.0 C (104.0 F)
2011	40.0 C (104.0 F)
2012	38.3 C (100.9 F)
2013	38.9 C (102.0 F)
2014	41.7 C (107.1 F)
2015	43.3 C (109.9 F)
2016	39.4 C (102.9 F)
2017	41.7 C (107.1 F)
2018	40.6 C (105.1 F)
2019	38.9 C (102.0 F)
2020	38.9 C (102.0 F)
2021	41.1 C (106.0 F)
2022	42.2 C (108.0 F)
2023	41.1 C (106.0 F)
2024	40.6 C (105.1 F)
2025	37.8 C (100.0 F)
2026	37.8 C (100.0 F)

Coldest night (TNn)

The coldest night of the year at Lowell Three Rivers Resort, 1997 to 2026. The record is -16.0 C (3.2 F) in 2022, marked on the chart; the median year is -11.0 C (12.1 F).

Coldest night (TNn) at Lowell Three Rivers Resort by year
Year	Coldest night (TNn)
1997	-8.9 C (16.0 F)
1998	-15.6 C (3.9 F)
1999	-5.0 C (23.0 F)
2000	-7.2 C (19.0 F)
2001	-8.9 C (16.0 F)
2002	-8.9 C (16.0 F)
2003	-8.3 C (17.1 F)
2004	-11.1 C (12.0 F)
2005	-14.4 C (6.1 F)
2006	-14.3 C (6.3 F)
2007	-11.0 C (12.2 F)
2008	-13.2 C (8.2 F)
2009	-15.5 C (4.1 F)
2010	-13.2 C (8.2 F)
2011	-12.7 C (9.1 F)
2012	-6.6 C (20.1 F)
2013	-13.8 C (7.2 F)
2014	-13.2 C (8.2 F)
2015	-13.2 C (8.2 F)
2016	-13.2 C (8.2 F)
2017	-12.7 C (9.1 F)
2018	-8.8 C (16.2 F)
2019	-11.0 C (12.2 F)
2020	-7.7 C (18.1 F)
2021	-9.9 C (14.2 F)
2022	-16.0 C (3.2 F)
2023	-10.5 C (13.1 F)
2024	-7.7 C (18.1 F)
2025	-14.3 C (6.3 F)
2026	-7.2 C (19.0 F)

Wettest day (Rx1day)

The wettest day of the year at Lowell Three Rivers Resort, 1997 to 2026. The record is 68.1 mm (2.7 in) in 1999, marked on the chart; the median year is 40.4 mm (1.6 in).

Wettest day (Rx1day) at Lowell Three Rivers Resort by year
Year	Wettest day (Rx1day)
1997	n/a
1998	41.4 mm (1.6 in)
1999	68.1 mm (2.7 in)
2000	49.5 mm (1.9 in)
2001	36.1 mm (1.4 in)
2002	27.7 mm (1.1 in)
2003	35.3 mm (1.4 in)
2004	36.3 mm (1.4 in)
2005	40.9 mm (1.6 in)
2006	54.4 mm (2.1 in)
2007	34.3 mm (1.4 in)
2008	52.3 mm (2.1 in)
2009	58.2 mm (2.3 in)
2010	39.4 mm (1.6 in)
2011	45.0 mm (1.8 in)
2012	48.8 mm (1.9 in)
2013	60.5 mm (2.4 in)
2014	53.8 mm (2.1 in)
2015	40.4 mm (1.6 in)
2016	39.4 mm (1.6 in)
2017	48.8 mm (1.9 in)
2018	36.3 mm (1.4 in)
2019	51.1 mm (2.0 in)
2020	33.3 mm (1.3 in)
2021	34.3 mm (1.4 in)
2022	54.6 mm (2.1 in)
2023	37.8 mm (1.5 in)
2024	39.4 mm (1.6 in)
2025	22.6 mm (0.9 in)
2026	15.4 mm (0.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Lowell Three Rivers Resort, 1997 to 2026. The record is 143.6 mm (5.7 in) in 2019, marked on the chart; the median year is 83.4 mm (3.3 in).

Wettest five days (Rx5day) at Lowell Three Rivers Resort by year
Year	Wettest five days (Rx5day)
1997	n/a
1998	93.5 mm (3.7 in)
1999	109.3 mm (4.3 in)
2000	72.6 mm (2.9 in)
2001	66.3 mm (2.6 in)
2002	44.0 mm (1.7 in)
2003	96.8 mm (3.8 in)
2004	86.8 mm (3.4 in)
2005	77.2 mm (3.0 in)
2006	111.4 mm (4.4 in)
2007	64.7 mm (2.5 in)
2008	81.0 mm (3.2 in)
2009	134.0 mm (5.3 in)
2010	92.8 mm (3.7 in)
2011	114.1 mm (4.5 in)
2012	99.8 mm (3.9 in)
2013	79.3 mm (3.1 in)
2014	88.4 mm (3.5 in)
2015	81.6 mm (3.2 in)
2016	77.2 mm (3.0 in)
2017	88.2 mm (3.5 in)
2018	115.8 mm (4.6 in)
2019	143.6 mm (5.7 in)
2020	62.7 mm (2.5 in)
2021	66.5 mm (2.6 in)
2022	85.1 mm (3.4 in)
2023	81.3 mm (3.2 in)
2024	67.6 mm (2.7 in)
2025	59.9 mm (2.4 in)
2026	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Lowell Three Rivers Resort, 1997 to 2026. The record is 57 days in 2017, marked on the chart; the median year is 31 days.

Longest dry spell (CDD) at Lowell Three Rivers Resort by year
Year	Longest dry spell (CDD)
1997	n/a
1998	15 days
1999	33 days
2000	51 days
2001	55 days
2002	43 days
2003	28 days
2004	29 days
2005	39 days
2006	32 days
2007	32 days
2008	27 days
2009	22 days
2010	17 days
2011	27 days
2012	51 days
2013	31 days
2014	45 days
2015	34 days
2016	40 days
2017	57 days
2018	56 days
2019	27 days
2020	26 days
2021	49 days
2022	27 days
2023	18 days
2024	28 days
2025	21 days
2026	2 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.

Frost Dates and Growing Season

24 years with a frost

Across 24 years with a frost, the median last spring frost at Lowell Three Rivers Resort falls on 26 April and the median first autumn frost on 24 October, which leaves a median of 189 days between them.

Frost dates and growing season at Lowell Three Rivers Resort
Measure	Median, all years	Earliest period	Recent period (1998 to 2022)	Recent against earliest	Fitted trend
Last spring frost	26 April	n/a	26 April	n/a	n/a
First autumn frost	24 October	n/a	24 October	n/a	n/a
Growing days	189 days	n/a	189 days	n/a	n/a

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

Data for Lowell Three Rivers Resort standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Lowell Three Rivers Resort 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). Records are computed by this site and are not official.

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