Wayan Weather Records (USC00109601)

Record envelope, standing records and threshold days for Wayan (USC00109601), Idaho, United States, with 58 years of record.

Key Facts for Wayan

Wayan (USC00109601) is a weather station in Idaho, United States at 42.97 latitude and -111.41 longitude, 1,962 m (6,436 ft) above sea level.
The station reports from 1956 to 2013, 58 years of record.
1,464 records set at Wayan 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, 42.97 latitude, -111.41 longitude.
Elevation: 1,962 m (6,436 ft).
Period of record: 1956 to 2013, 58 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 Wayan. 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 Wayan, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	9.4 C (48.9 F)	-38.3 C (-36.9 F)	n/a	n/a
Feb	12.2 C (54.0 F)	-36.7 C (-34.1 F)	n/a	n/a
Mar	16.7 C (62.1 F)	-32.8 C (-27.0 F)	n/a	n/a
Apr	23.9 C (75.0 F)	-20.0 C (-4.0 F)	n/a	n/a
May	28.3 C (82.9 F)	-12.2 C (10.0 F)	n/a	n/a
Jun	31.1 C (88.0 F)	-6.1 C (21.0 F)	n/a	n/a
Jul	35.6 C (96.1 F)	-6.1 C (21.0 F)	n/a	n/a
Aug	33.9 C (93.0 F)	-3.9 C (25.0 F)	n/a	n/a
Sep	30.6 C (87.1 F)	-11.7 C (10.9 F)	n/a	n/a
Oct	27.2 C (81.0 F)	-19.4 C (-2.9 F)	n/a	n/a
Nov	20.0 C (68.0 F)	-28.3 C (-18.9 F)	n/a	n/a
Dec	11.7 C (53.1 F)	-33.3 C (-27.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Wayan still stand. 1962 holds the most, with 109.

Standing records at Wayan by the year they were set
Year set	Standing records
1956	1
1957	78
1958	30
1959	74
1960	71
1961	76
1962	109
1963	76
1964	18
1997	10
1998	64
1999	83
2000	65
2001	62
2002	67
2003	101
2004	69
2005	67
2006	78
2007	39
2008	25
2011	85
2012	81
2013	35

Wettest Day of Each Month

Feb: 44.5 mm (1.8 in)

The wettest day on record for each calendar month at Wayan. The most was 44.5 mm (1.8 in) on 1 February 1963.

Record daily precipitation for each month at Wayan
Month	Record daily precipitation (mm)	Date
Jan	25.1 mm (1.0 in)	19 January 2012
Feb	44.5 mm (1.8 in)	1 February 1963
Mar	24.4 mm (1.0 in)	23 March 2013
Apr	31.0 mm (1.2 in)	17 April 2012
May	38.1 mm (1.5 in)	27 May 2012
Jun	27.2 mm (1.1 in)	4 June 1998
Jul	29.0 mm (1.1 in)	8 July 2001
Aug	30.5 mm (1.2 in)	1 August 2011
Sep	30.0 mm (1.2 in)	21 September 2006
Oct	26.9 mm (1.1 in)	31 October 2001
Nov	21.8 mm (0.9 in)	24 November 2002
Dec	26.7 mm (1.1 in)	24 December 2012

Period of Record Coverage

1956 to 2013

24 years of record at Wayan, 1956 to 2013. 13 years have data for under 90 percent of days and are left out of rankings: 1956, 1958, 1959, 1964, 1997, 1999, 2000, 2001 and others.

Days with data per year at Wayan
Year	Days with data	Share of year	Complete
1956	27	7%	No
1957	352	96%	Yes
1958	177	48%	No
1959	308	84%	No
1960	347	95%	Yes
1961	358	98%	Yes
1962	360	99%	Yes
1963	335	92%	Yes
1964	118	32%	No
1997	86	24%	No
1998	350	96%	Yes
1999	327	90%	No
2000	230	63%	No
2001	247	68%	No
2002	324	89%	No
2003	323	88%	No
2004	332	91%	Yes
2005	361	99%	Yes
2006	357	98%	Yes
2007	233	64%	No
2008	116	32%	No
2011	334	92%	Yes
2012	335	92%	Yes
2013	181	50%	No

Latest Records

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

Climate Trend

12 complete years, 1957 to 2006

One stripe for each of 12 complete years at Wayan, 1957 to 2006. Blue stripes are years cooler than the station's own mean of 4.2 C (39.6 F); red stripes are warmer. The coolest year was 2005, at 3.5 C (38.2 F), and the warmest was 1963, at 5.0 C (41.1 F). The strongest colour marks a difference of 0.8 C (1.4 F).

Annual mean temperature at Wayan as warming stripes, 1957 to 2006
Year	Annual mean temperature	Difference from the station mean
1957	4.2 C	-0.08 C
1960	4.4 C	+0.13 C
1961	4.8 C	+0.55 C
1962	5.0 C	+0.72 C
1963	5.0 C	+0.79 C
1998	4.4 C	+0.12 C
1999	4.2 C	-0.09 C
2002	3.5 C	-0.76 C
2003	4.8 C	+0.53 C
2004	3.7 C	-0.51 C
2005	3.5 C	-0.80 C
2006	3.6 C	-0.64 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

1956 to 2013

Yearly extremes at Wayan: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.6 C (96.1 F)	2002	31.4 C (88.5 F)	24
Coldest night (TNn)	-38.3 C (-36.9 F)	1963	-30.8 C (-23.5 F)	24
Wettest day (Rx1day)	44.5 mm (1.8 in)	1963	22.5 mm (0.9 in)	24
Wettest five days (Rx5day)	73.8 mm (2.9 in)	2012	40.3 mm (1.6 in)	24
Longest dry spell (CDD)	71 days	2012	27 days	24

Hottest day (TXx)

The hottest day of the year at Wayan, 1956 to 2013. The record is 35.6 C (96.1 F) in 2002, marked on the chart; the median year is 31.4 C (88.5 F).

Hottest day (TXx) at Wayan by year
Year	Hottest day (TXx)
1956	3.3 C (37.9 F)
1957	30.0 C (86.0 F)
1958	14.4 C (57.9 F)
1959	30.0 C (86.0 F)
1960	33.9 C (93.0 F)
1961	33.3 C (91.9 F)
1962	31.1 C (88.0 F)
1963	31.7 C (89.1 F)
1964	16.1 C (61.0 F)
1997	25.0 C (77.0 F)
1998	31.7 C (89.1 F)
1999	31.1 C (88.0 F)
2000	35.0 C (95.0 F)
2001	34.4 C (93.9 F)
2002	35.6 C (96.1 F)
2003	34.4 C (93.9 F)
2004	30.0 C (86.0 F)
2005	32.8 C (91.0 F)
2006	33.9 C (93.0 F)
2007	33.9 C (93.0 F)
2008	16.7 C (62.1 F)
2011	31.1 C (88.0 F)
2012	31.7 C (89.1 F)
2013	29.4 C (84.9 F)

Coldest night (TNn)

The coldest night of the year at Wayan, 1956 to 2013. The record is -38.3 C (-36.9 F) in 1963, marked on the chart; the median year is -30.8 C (-23.5 F).

Coldest night (TNn) at Wayan by year
Year	Coldest night (TNn)
1956	-26.1 C (-15.0 F)
1957	-30.0 C (-22.0 F)
1958	-28.9 C (-20.0 F)
1959	-29.4 C (-20.9 F)
1960	-31.1 C (-24.0 F)
1961	-31.1 C (-24.0 F)
1962	-36.1 C (-33.0 F)
1963	-38.3 C (-36.9 F)
1964	-31.7 C (-25.1 F)
1997	-29.4 C (-20.9 F)
1998	-30.0 C (-22.0 F)
1999	-27.2 C (-17.0 F)
2000	-24.4 C (-11.9 F)
2001	-35.0 C (-31.0 F)
2002	-32.8 C (-27.0 F)
2003	-27.8 C (-18.0 F)
2004	-31.7 C (-25.1 F)
2005	-33.3 C (-27.9 F)
2006	-30.6 C (-23.1 F)
2007	-34.4 C (-29.9 F)
2008	-33.3 C (-27.9 F)
2011	-36.7 C (-34.1 F)
2012	-30.6 C (-23.1 F)
2013	-30.0 C (-22.0 F)

Wettest day (Rx1day)

The wettest day of the year at Wayan, 1956 to 2013. The record is 44.5 mm (1.8 in) in 1963, marked on the chart; the median year is 22.5 mm (0.9 in).

Wettest day (Rx1day) at Wayan by year
Year	Wettest day (Rx1day)
1956	8.4 mm (0.33 in)
1957	14.5 mm (0.6 in)
1958	19.1 mm (0.8 in)
1959	24.4 mm (1.0 in)
1960	16.5 mm (0.6 in)
1961	21.6 mm (0.9 in)
1962	21.8 mm (0.9 in)
1963	44.5 mm (1.8 in)
1964	13.2 mm (0.5 in)
1997	12.2 mm (0.5 in)
1998	27.2 mm (1.1 in)
1999	23.9 mm (0.9 in)
2000	17.0 mm (0.7 in)
2001	29.0 mm (1.1 in)
2002	21.8 mm (0.9 in)
2003	15.0 mm (0.6 in)
2004	31.0 mm (1.2 in)
2005	23.1 mm (0.9 in)
2006	30.0 mm (1.2 in)
2007	23.4 mm (0.9 in)
2008	9.4 mm (0.37 in)
2011	30.5 mm (1.2 in)
2012	38.1 mm (1.5 in)
2013	24.4 mm (1.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Wayan, 1956 to 2013. The record is 73.8 mm (2.9 in) in 2012, marked on the chart; the median year is 40.3 mm (1.6 in).

Wettest five days (Rx5day) at Wayan by year
Year	Wettest five days (Rx5day)
1956	18.3 mm (0.7 in)
1957	35.9 mm (1.4 in)
1958	24.4 mm (1.0 in)
1959	48.9 mm (1.9 in)
1960	50.1 mm (2.0 in)
1961	58.1 mm (2.3 in)
1962	56.5 mm (2.2 in)
1963	73.1 mm (2.9 in)
1964	23.6 mm (0.9 in)
1997	15.2 mm (0.6 in)
1998	34.1 mm (1.3 in)
1999	51.9 mm (2.0 in)
2000	43.1 mm (1.7 in)
2001	31.5 mm (1.2 in)
2002	42.7 mm (1.7 in)
2003	24.3 mm (1.0 in)
2004	47.3 mm (1.9 in)
2005	48.8 mm (1.9 in)
2006	37.8 mm (1.5 in)
2007	24.7 mm (1.0 in)
2008	18.3 mm (0.7 in)
2011	49.5 mm (1.9 in)
2012	73.8 mm (2.9 in)
2013	33.8 mm (1.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Wayan, 1956 to 2013. The record is 71 days in 2012, marked on the chart; the median year is 27 days.

Longest dry spell (CDD) at Wayan by year
Year	Longest dry spell (CDD)
1956	9 days
1957	21 days
1958	18 days
1959	31 days
1960	32 days
1961	27 days
1962	26 days
1963	28 days
1964	16 days
1997	19 days
1998	27 days
1999	25 days
2000	16 days
2001	35 days
2002	41 days
2003	28 days
2004	20 days
2005	22 days
2006	26 days
2007	47 days
2008	16 days
2011	30 days
2012	71 days
2013	28 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 Wayan standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Wayan 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.

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