Bisbee 1WNW Weather Records (USC00020775)

Record envelope, standing records and threshold days for Bisbee 1WNW (USC00020775), Arizona, United States, with 38 years of record.

Key Facts for Bisbee 1WNW

Bisbee 1WNW (USC00020775) is a weather station in Arizona, United States at 31.45 latitude and -109.93 longitude, 1,695 m (5,560 ft) above sea level.
The station reports from 1985 to 2022, 38 years of record.
1,464 records set at Bisbee 1WNW still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Arizona, United States, 31.45 latitude, -109.93 longitude.
Elevation: 1,695 m (5,560 ft).
Period of record: 1985 to 2022, 38 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 Bisbee 1WNW. 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 Bisbee 1WNW, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	23.3 C (73.9 F)	-12.2 C (10.0 F)	n/a	n/a
Feb	26.7 C (80.1 F)	-16.7 C (1.9 F)	n/a	n/a
Mar	30.6 C (87.1 F)	-7.8 C (18.0 F)	n/a	n/a
Apr	33.9 C (93.0 F)	-5.6 C (21.9 F)	n/a	n/a
May	36.7 C (98.1 F)	-3.3 C (26.1 F)	n/a	n/a
Jun	41.1 C (106.0 F)	2.8 C (37.0 F)	n/a	n/a
Jul	39.4 C (102.9 F)	10.6 C (51.1 F)	n/a	n/a
Aug	36.1 C (97.0 F)	7.8 C (46.0 F)	n/a	n/a
Sep	32.8 C (91.0 F)	1.7 C (35.1 F)	n/a	n/a
Oct	32.2 C (90.0 F)	-7.2 C (19.0 F)	n/a	n/a
Nov	29.4 C (84.9 F)	-11.1 C (12.0 F)	n/a	n/a
Dec	25.0 C (77.0 F)	-13.3 C (8.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Bisbee 1WNW still stand. 1987 holds the most, with 87.

Standing records at Bisbee 1WNW by the year they were set
Year set	Standing records
1985	53
1986	70
1987	87
1988	69
1989	83
1990	84
1991	72
1992	19
1997	24
1998	47
1999	29
2000	66
2001	38
2002	36
2003	38
2004	77
2005	36
2006	38
2007	37
2008	26
2009	40
2010	38
2011	43
2012	33
2013	44
2014	24
2015	32
2016	31
2017	47
2018	52
2019	23
2020	26
2021	2

Wettest Day of Each Month

Jul: 131.8 mm (5.2 in)

The wettest day on record for each calendar month at Bisbee 1WNW. The most was 131.8 mm (5.2 in) on 15 July 1986.

Record daily precipitation for each month at Bisbee 1WNW
Month	Record daily precipitation (mm)	Date
Jan	38.9 mm (1.5 in)	22 January 2010
Feb	41.9 mm (1.6 in)	21 February 2013
Mar	37.3 mm (1.5 in)	12 March 2019
Apr	50.8 mm (2.0 in)	27 April 1987
May	20.8 mm (0.8 in)	16 May 1989
Jun	33.8 mm (1.3 in)	28 June 2007
Jul	131.8 mm (5.2 in)	15 July 1986
Aug	56.4 mm (2.2 in)	13 August 2014
Sep	99.1 mm (3.9 in)	18 September 2014
Oct	94.0 mm (3.7 in)	11 October 2000
Nov	28.4 mm (1.1 in)	26 November 1985
Dec	68.1 mm (2.7 in)	18 December 1987

Period of Record Coverage

1985 to 2021

33 years of record at Bisbee 1WNW, 1985 to 2021. 14 years have data for under 90 percent of days and are left out of rankings: 1985, 1992, 1997, 1999, 2000, 2001, 2011, 2013 and others.

Days with data per year at Bisbee 1WNW
Year	Days with data	Share of year	Complete
1985	291	80%	No
1986	362	99%	Yes
1987	363	99%	Yes
1988	365	100%	Yes
1989	360	99%	Yes
1990	364	100%	Yes
1991	361	99%	Yes
1992	118	32%	No
1997	132	36%	No
1998	336	92%	Yes
1999	315	86%	No
2000	320	87%	No
2001	305	84%	No
2002	345	95%	Yes
2003	351	96%	Yes
2004	340	93%	Yes
2005	354	97%	Yes
2006	357	98%	Yes
2007	359	98%	Yes
2008	334	91%	Yes
2009	329	90%	Yes
2010	342	94%	Yes
2011	319	87%	No
2012	332	91%	Yes
2013	324	89%	No
2014	338	93%	Yes
2015	326	89%	No
2016	293	80%	No
2017	250	68%	No
2018	350	96%	Yes
2019	241	66%	No
2020	118	32%	No
2021	7	2%	No

Latest Records

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

Climate Trend

22 complete years, 1986 to 2018

One stripe for each of 22 complete years at Bisbee 1WNW, 1986 to 2018. Blue stripes are years cooler than the station's own mean of 15.2 C (59.4 F); red stripes are warmer. The coolest year was 2004, at 13.6 C (56.5 F), and the warmest was 2012, at 16.1 C (61.0 F). The strongest colour marks a difference of 1.6 C (2.9 F).

Annual mean temperature at Bisbee 1WNW as warming stripes, 1986 to 2018
Year	Annual mean temperature	Difference from the station mean
1986	14.7 C	-0.53 C
1987	13.9 C	-1.28 C
1988	14.6 C	-0.63 C
1989	15.7 C	+0.49 C
1990	14.9 C	-0.33 C
1991	14.3 C	-0.88 C
1998	15.1 C	-0.15 C
1999	15.4 C	+0.18 C
2000	15.7 C	+0.53 C
2001	15.1 C	-0.10 C
2002	15.7 C	+0.46 C
2003	15.9 C	+0.71 C
2004	13.6 C	-1.59 C
2005	15.6 C	+0.37 C
2006	15.7 C	+0.51 C
2007	15.4 C	+0.21 C
2010	15.1 C	-0.15 C
2011	15.6 C	+0.40 C
2012	16.1 C	+0.90 C
2013	15.0 C	-0.17 C
2015	15.4 C	+0.24 C
2018	16.0 C	+0.84 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

1985 to 2022

Yearly extremes at Bisbee 1WNW: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	41.1 C (106.0 F)	1990	36.7 C (98.1 F)	33
Coldest night (TNn)	-16.7 C (1.9 F)	2011	-8.3 C (17.1 F)	33
Wettest day (Rx1day)	131.8 mm (5.2 in)	1986	42.2 mm (1.7 in)	34
Wettest five days (Rx5day)	194.4 mm (7.7 in)	2014	68.1 mm (2.7 in)	34
Longest dry spell (CDD)	159 days	2002	56 days	34

Hottest day (TXx)

The hottest day of the year at Bisbee 1WNW, 1985 to 2022. The record is 41.1 C (106.0 F) in 1990, marked on the chart; the median year is 36.7 C (98.1 F).

Hottest day (TXx) at Bisbee 1WNW by year
Year	Hottest day (TXx)
1985	37.2 C (99.0 F)
1986	36.1 C (97.0 F)
1987	35.6 C (96.1 F)
1988	36.7 C (98.1 F)
1989	40.0 C (104.0 F)
1990	41.1 C (106.0 F)
1991	36.7 C (98.1 F)
1992	33.3 C (91.9 F)
1997	38.9 C (102.0 F)
1998	37.8 C (100.0 F)
1999	35.6 C (96.1 F)
2000	35.6 C (96.1 F)
2001	34.4 C (93.9 F)
2002	37.2 C (99.0 F)
2003	37.8 C (100.0 F)
2004	33.9 C (93.0 F)
2005	36.7 C (98.1 F)
2006	36.7 C (98.1 F)
2007	36.7 C (98.1 F)
2008	36.7 C (98.1 F)
2009	35.6 C (96.1 F)
2010	36.7 C (98.1 F)
2011	37.8 C (100.0 F)
2012	36.1 C (97.0 F)
2013	37.2 C (99.0 F)
2014	36.1 C (97.0 F)
2015	36.7 C (98.1 F)
2016	38.3 C (100.9 F)
2017	35.6 C (96.1 F)
2018	36.7 C (98.1 F)
2019	35.6 C (96.1 F)
2020	37.2 C (99.0 F)
2021	29.4 C (84.9 F)
2022	n/a

Coldest night (TNn)

The coldest night of the year at Bisbee 1WNW, 1985 to 2022. The record is -16.7 C (1.9 F) in 2011, marked on the chart; the median year is -8.3 C (17.1 F).

Coldest night (TNn) at Bisbee 1WNW by year
Year	Coldest night (TNn)
1985	-8.3 C (17.1 F)
1986	-8.3 C (17.1 F)
1987	-13.3 C (8.1 F)
1988	-12.2 C (10.0 F)
1989	-10.0 C (14.0 F)
1990	-12.2 C (10.0 F)
1991	-9.4 C (15.1 F)
1992	-7.2 C (19.0 F)
1997	-8.3 C (17.1 F)
1998	-7.2 C (19.0 F)
1999	-6.7 C (19.9 F)
2000	-7.2 C (19.0 F)
2001	-8.3 C (17.1 F)
2002	-11.7 C (10.9 F)
2003	-9.4 C (15.1 F)
2004	-11.1 C (12.0 F)
2005	-12.2 C (10.0 F)
2006	-7.8 C (18.0 F)
2007	-8.3 C (17.1 F)
2008	-8.3 C (17.1 F)
2009	-6.1 C (21.0 F)
2010	-7.2 C (19.0 F)
2011	-16.7 C (1.9 F)
2012	-6.1 C (21.0 F)
2013	-11.7 C (10.9 F)
2014	-6.7 C (19.9 F)
2015	-7.8 C (18.0 F)
2016	-7.8 C (18.0 F)
2017	-6.7 C (19.9 F)
2018	-7.8 C (18.0 F)
2019	-8.9 C (16.0 F)
2020	-2.8 C (27.0 F)
2021	-4.4 C (24.1 F)
2022	n/a

Wettest day (Rx1day)

The wettest day of the year at Bisbee 1WNW, 1985 to 2022. The record is 131.8 mm (5.2 in) in 1986, marked on the chart; the median year is 42.2 mm (1.7 in).

Wettest day (Rx1day) at Bisbee 1WNW by year
Year	Wettest day (Rx1day)
1985	59.2 mm (2.3 in)
1986	131.8 mm (5.2 in)
1987	68.1 mm (2.7 in)
1988	42.4 mm (1.7 in)
1989	41.9 mm (1.6 in)
1990	67.6 mm (2.7 in)
1991	41.4 mm (1.6 in)
1992	29.5 mm (1.2 in)
1997	39.4 mm (1.6 in)
1998	40.9 mm (1.6 in)
1999	32.5 mm (1.3 in)
2000	94.0 mm (3.7 in)
2001	33.5 mm (1.3 in)
2002	52.8 mm (2.1 in)
2003	25.4 mm (1.0 in)
2004	56.9 mm (2.2 in)
2005	41.9 mm (1.6 in)
2006	44.5 mm (1.8 in)
2007	48.0 mm (1.9 in)
2008	50.8 mm (2.0 in)
2009	52.1 mm (2.1 in)
2010	38.9 mm (1.5 in)
2011	29.0 mm (1.1 in)
2012	45.7 mm (1.8 in)
2013	76.2 mm (3.0 in)
2014	99.1 mm (3.9 in)
2015	35.8 mm (1.4 in)
2016	29.7 mm (1.2 in)
2017	40.6 mm (1.6 in)
2018	40.6 mm (1.6 in)
2019	47.5 mm (1.9 in)
2020	50.8 mm (2.0 in)
2021	0.0 mm (0.00 in)
2022	0.0 mm (0.00 in)

Wettest five days (Rx5day)

The wettest five days of the year at Bisbee 1WNW, 1985 to 2022. The record is 194.4 mm (7.7 in) in 2014, marked on the chart; the median year is 68.1 mm (2.7 in).

Wettest five days (Rx5day) at Bisbee 1WNW by year
Year	Wettest five days (Rx5day)
1985	68.6 mm (2.7 in)
1986	175.5 mm (6.9 in)
1987	85.3 mm (3.4 in)
1988	68.3 mm (2.7 in)
1989	99.1 mm (3.9 in)
1990	91.9 mm (3.6 in)
1991	57.9 mm (2.3 in)
1992	37.9 mm (1.5 in)
1997	60.5 mm (2.4 in)
1998	85.5 mm (3.4 in)
1999	63.1 mm (2.5 in)
2000	132.5 mm (5.2 in)
2001	61.7 mm (2.4 in)
2002	104.3 mm (4.1 in)
2003	33.5 mm (1.3 in)
2004	66.6 mm (2.6 in)
2005	50.9 mm (2.0 in)
2006	115.6 mm (4.6 in)
2007	69.4 mm (2.7 in)
2008	63.9 mm (2.5 in)
2009	67.8 mm (2.7 in)
2010	66.1 mm (2.6 in)
2011	76.7 mm (3.0 in)
2012	72.1 mm (2.8 in)
2013	96.6 mm (3.8 in)
2014	194.4 mm (7.7 in)
2015	59.5 mm (2.3 in)
2016	55.7 mm (2.2 in)
2017	73.1 mm (2.9 in)
2018	76.4 mm (3.0 in)
2019	63.0 mm (2.5 in)
2020	47.5 mm (1.9 in)
2021	0.0 mm (0.00 in)
2022	0.0 mm (0.00 in)

Longest dry spell (CDD)

The longest dry spell of the year at Bisbee 1WNW, 1985 to 2022. The record is 159 days in 2002, marked on the chart; the median year is 56 days.

Longest dry spell (CDD) at Bisbee 1WNW by year
Year	Longest dry spell (CDD)
1985	52 days
1986	73 days
1987	41 days
1988	50 days
1989	52 days
1990	35 days
1991	63 days
1992	27 days
1997	19 days
1998	71 days
1999	99 days
2000	101 days
2001	32 days
2002	159 days
2003	71 days
2004	43 days
2005	60 days
2006	77 days
2007	58 days
2008	76 days
2009	71 days
2010	72 days
2011	56 days
2012	56 days
2013	70 days
2014	72 days
2015	38 days
2016	39 days
2017	46 days
2018	76 days
2019	34 days
2020	21 days
2021	31 days
2022	31 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

22 years with a frost

Across 22 years with a frost, the median last spring frost at Bisbee 1WNW falls on 12 April and the median first autumn frost on 11 November, which leaves a median of 212 days between them.

Frost dates and growing season at Bisbee 1WNW
Measure	Median, all years	Earliest period	Recent period (1986 to 2018)	Recent against earliest	Fitted trend
Last spring frost	12 April	n/a	12 April	n/a	n/a
First autumn frost	11 November	n/a	11 November	n/a	n/a
Growing days	212 days	n/a	212 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 Bisbee 1WNW standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Bisbee 1WNW 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).