Willow Grove (Blue Rock Reserv Weather Records (ASN00085283)

Record envelope, standing records and threshold days for Willow Grove (Blue Rock Reserv (ASN00085283), Australia, with 34 years of record.

Key Facts for Willow Grove (Blue Rock Reserv

Willow Grove (Blue Rock Reserv (ASN00085283) is a weather station in Australia at -38.08 latitude and 146.21 longitude, 161 m (528 ft) above sea level.
The station reports from 1986 to 2019, 34 years of record.
1,464 records set at Willow Grove (Blue Rock Reserv still stand.
Records are tracked for tmax, prcp: an element needs 30 years of data to be eligible.
Willow Grove (Blue Rock Reserv set a daily record high maximum temperature of 29.3 C (84.7 F) on 17 April 2019.

About the Station

Location: Australia, -38.08 latitude, 146.21 longitude.
Elevation: 161 m (528 ft).
Period of record: 1986 to 2019, 34 years.
Eligible elements: tmax, prcp.

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 Willow Grove (Blue Rock Reserv. 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 Willow Grove (Blue Rock Reserv, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	42.5 C (108.5 F)	5.3 C (41.5 F)	n/a	n/a
Feb	38.0 C (100.4 F)	0.0 C (32.0 F)	n/a	n/a
Mar	37.7 C (99.9 F)	1.3 C (34.3 F)	n/a	n/a
Apr	32.5 C (90.5 F)	0.5 C (32.9 F)	n/a	n/a
May	26.5 C (79.7 F)	0.0 C (32.0 F)	n/a	n/a
Jun	22.5 C (72.5 F)	-5.0 C (23.0 F)	n/a	n/a
Jul	22.0 C (71.6 F)	-1.2 C (29.8 F)	n/a	n/a
Aug	23.5 C (74.3 F)	-1.4 C (29.5 F)	n/a	n/a
Sep	28.5 C (83.3 F)	-2.0 C (28.4 F)	n/a	n/a
Oct	32.8 C (91.0 F)	0.8 C (33.4 F)	n/a	n/a
Nov	37.0 C (98.6 F)	0.0 C (32.0 F)	n/a	n/a
Dec	39.2 C (102.6 F)	4.0 C (39.2 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Willow Grove (Blue Rock Reserv still stand. 1987 holds the most, with 73.

Standing records at Willow Grove (Blue Rock Reserv by the year they were set
Year set	Standing records
1986	51
1987	73
1988	66
1989	56
1990	62
1991	70
1992	65
1993	52
1994	55
1995	42
1996	35
1997	29
1998	36
1999	39
2000	36
2001	35
2002	27
2003	39
2004	33
2005	30
2006	39
2007	33
2008	25
2009	52
2010	39
2011	35
2012	38
2013	48
2014	51
2015	65
2016	60
2017	19
2018	12
2019	17

Wettest Day of Each Month

Feb: 112.2 mm (4.4 in)

The wettest day on record for each calendar month at Willow Grove (Blue Rock Reserv. The most was 112.2 mm (4.4 in) on 3 February 2005.

Record daily precipitation for each month at Willow Grove (Blue Rock Reserv
Month	Record daily precipitation (mm)	Date
Jan	39.2 mm (1.5 in)	6 January 1991
Feb	112.2 mm (4.4 in)	3 February 2005
Mar	59.8 mm (2.4 in)	1 March 1999
Apr	49.4 mm (1.9 in)	22 April 1990
May	26.8 mm (1.1 in)	5 May 2000
Jun	50.4 mm (2.0 in)	5 June 2012
Jul	32.0 mm (1.3 in)	23 July 2016
Aug	36.0 mm (1.4 in)	28 August 2015
Sep	47.0 mm (1.9 in)	15 September 1993
Oct	39.0 mm (1.5 in)	12 October 1990
Nov	48.0 mm (1.9 in)	7 November 1995
Dec	35.0 mm (1.4 in)	30 December 2016

Period of Record Coverage

1986 to 2019

34 years of record at Willow Grove (Blue Rock Reserv, 1986 to 2019. 27 years have data for under 90 percent of days and are left out of rankings: 1986, 1994, 1995, 1996, 1997, 1998, 1999, 2000 and others.

Days with data per year at Willow Grove (Blue Rock Reserv
Year	Days with data	Share of year	Complete
1986	279	76%	No
1987	346	95%	Yes
1988	350	96%	Yes
1989	330	90%	Yes
1990	349	96%	Yes
1991	362	99%	Yes
1992	366	100%	Yes
1993	350	96%	Yes
1994	213	58%	No
1995	238	65%	No
1996	206	56%	No
1997	194	53%	No
1998	184	50%	No
1999	198	54%	No
2000	197	54%	No
2001	194	53%	No
2002	196	54%	No
2003	195	53%	No
2004	206	56%	No
2005	197	54%	No
2006	196	54%	No
2007	210	58%	No
2008	167	46%	No
2009	195	53%	No
2010	188	52%	No
2011	226	62%	No
2012	254	69%	No
2013	261	72%	No
2014	244	67%	No
2015	275	75%	No
2016	251	69%	No
2017	70	19%	No
2018	82	22%	No
2019	65	18%	No

Latest Records

Latest records at Willow Grove (Blue Rock Reserv
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 April 2019	Willow Grove (Blue Rock Reserv, AU	daily high max	29.3 C (84.7 F)	5.8 C (10.4 F)	25 years	24 of 100 (Routine)
16 April 2019	Willow Grove (Blue Rock Reserv, AU	daily high max	29.7 C (85.5 F)	3.2 C (5.8 F)	17 years	16 of 100 (Routine)
6 March 2019	Willow Grove (Blue Rock Reserv, AU	daily low max	15.0 C (59.0 F)	2.8 C (5.0 F)	28 years	16 of 100 (Routine)
3 March 2019	Willow Grove (Blue Rock Reserv, AU	daily high max	37.2 C (99.0 F)	2.5 C (4.5 F)	30 years	17 of 100 (Routine)
13 February 2019	Willow Grove (Blue Rock Reserv, AU	daily low max	17.5 C (63.5 F)	0.7 C (1.3 F)	27 years	12 of 100 (Routine)
14 January 2019	Willow Grove (Blue Rock Reserv, AU	daily high max	38.0 C (100.4 F)	4.5 C (8.1 F)	20 years	16 of 100 (Routine)
27 December 2018	Willow Grove (Blue Rock Reserv, AU	daily high max	35.4 C (95.7 F)	2.1 C (3.8 F)	12 years	9 of 100 (Routine)
21 November 2018	Willow Grove (Blue Rock Reserv, AU	daily rain	19.0 mm (0.7 in)	13.0 mm (0.5 in)	15 years	20 of 100 (Routine)
7 September 2018	Willow Grove (Blue Rock Reserv, AU	daily rain	20.0 mm (0.8 in)	11.8 mm (0.5 in)	25 years	20 of 100 (Routine)
6 September 2018	Willow Grove (Blue Rock Reserv, AU	daily high max	19.2 C (66.6 F)	0.8 C (1.4 F)	1 year	5 of 100 (Routine)
5 July 2018	Willow Grove (Blue Rock Reserv, AU	daily high max	19.1 C (66.4 F)	0.3 C (0.5 F)	24 years	11 of 100 (Routine)
4 July 2018	Willow Grove (Blue Rock Reserv, AU	daily high max	18.4 C (65.1 F)	0.4 C (0.7 F)	24 years	11 of 100 (Routine)
30 January 2018	Willow Grove (Blue Rock Reserv, AU	daily rain	13.2 mm (0.5 in)	1.5 mm (0.06 in)	2 years	5 of 100 (Routine)
18 January 2018	Willow Grove (Blue Rock Reserv, AU	daily high max	36.0 C (96.8 F)	1.0 C (1.8 F)	2 years	4 of 100 (Routine)
13 January 2018	Willow Grove (Blue Rock Reserv, AU	daily rain	30.4 mm (1.2 in)	27.4 mm (1.1 in)	6 years	42 of 100 (Notable)
23 November 2017	Willow Grove (Blue Rock Reserv, AU	daily high max	32.1 C (89.8 F)	0.1 C (0.2 F)	28 years	11 of 100 (Routine)
26 October 2017	Willow Grove (Blue Rock Reserv, AU	daily rain	23.8 mm (0.9 in)	4.6 mm (0.18 in)	24 years	18 of 100 (Routine)
25 October 2017	Willow Grove (Blue Rock Reserv, AU	daily rain	23.8 mm (0.9 in)	10.2 mm (0.4 in)	26 years	20 of 100 (Routine)
18 October 2017	Willow Grove (Blue Rock Reserv, AU	daily high max	30.7 C (87.3 F)	5.4 C (9.7 F)	28 years	23 of 100 (Routine)
3 July 2017	Willow Grove (Blue Rock Reserv, AU	daily low max	10.0 C (50.0 F)	0.1 C (0.2 F)	27 years	11 of 100 (Routine)

Extremes by Year

1986 to 2019

Yearly extremes at Willow Grove (Blue Rock Reserv: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	42.5 C (108.5 F)	2009	37.5 C (99.5 F)	34
Coldest night (TNn)	-5.0 C (23.0 F)	2001	0.0 C (32.0 F)	34
Wettest day (Rx1day)	112.2 mm (4.4 in)	2005	32.9 mm (1.3 in)	34
Wettest five days (Rx5day)	123.8 mm (4.9 in)	2005	51.2 mm (2.0 in)	34
Longest dry spell (CDD)	32 days	1986	17 days	34

Hottest day (TXx)

The hottest day of the year at Willow Grove (Blue Rock Reserv, 1986 to 2019. The record is 42.5 C (108.5 F) in 2009, marked on the chart; the median year is 37.5 C (99.5 F).

Hottest day (TXx) at Willow Grove (Blue Rock Reserv by year
Year	Hottest day (TXx)
1986	34.0 C (93.2 F)
1987	37.2 C (99.0 F)
1988	39.8 C (103.6 F)
1989	36.5 C (97.7 F)
1990	37.7 C (99.9 F)
1991	37.7 C (99.9 F)
1992	36.7 C (98.1 F)
1993	37.5 C (99.5 F)
1994	36.2 C (97.2 F)
1995	36.5 C (97.7 F)
1996	31.0 C (87.8 F)
1997	38.0 C (100.4 F)
1998	37.7 C (99.9 F)
1999	36.4 C (97.5 F)
2000	37.2 C (99.0 F)
2001	37.6 C (99.7 F)
2002	33.5 C (92.3 F)
2003	37.0 C (98.6 F)
2004	34.0 C (93.2 F)
2005	34.6 C (94.3 F)
2006	38.0 C (100.4 F)
2007	38.0 C (100.4 F)
2008	38.0 C (100.4 F)
2009	42.5 C (108.5 F)
2010	40.0 C (104.0 F)
2011	37.5 C (99.5 F)
2012	34.0 C (93.2 F)
2013	38.5 C (101.3 F)
2014	41.5 C (106.7 F)
2015	39.2 C (102.6 F)
2016	40.8 C (105.4 F)
2017	35.6 C (96.1 F)
2018	36.0 C (96.8 F)
2019	38.0 C (100.4 F)

Coldest night (TNn)

The coldest night of the year at Willow Grove (Blue Rock Reserv, 1986 to 2019. The record is -5.0 C (23.0 F) in 2001, marked on the chart; the median year is 0.0 C (32.0 F).

Coldest night (TNn) at Willow Grove (Blue Rock Reserv by year
Year	Coldest night (TNn)
1986	-0.5 C (31.1 F)
1987	0.2 C (32.4 F)
1988	1.6 C (34.9 F)
1989	0.1 C (32.2 F)
1990	1.0 C (33.8 F)
1991	0.8 C (33.4 F)
1992	-1.2 C (29.8 F)
1993	0.2 C (32.4 F)
1994	0.0 C (32.0 F)
1995	-0.5 C (31.1 F)
1996	-0.5 C (31.1 F)
1997	1.0 C (33.8 F)
1998	-0.3 C (31.5 F)
1999	0.6 C (33.1 F)
2000	0.8 C (33.4 F)
2001	-5.0 C (23.0 F)
2002	-0.5 C (31.1 F)
2003	0.5 C (32.9 F)
2004	0.5 C (32.9 F)
2005	0.0 C (32.0 F)
2006	0.1 C (32.2 F)
2007	0.0 C (32.0 F)
2008	0.0 C (32.0 F)
2009	-1.4 C (29.5 F)
2010	0.0 C (32.0 F)
2011	-1.0 C (30.2 F)
2012	0.0 C (32.0 F)
2013	0.0 C (32.0 F)
2014	-4.0 C (24.8 F)
2015	-1.0 C (30.2 F)
2016	-1.0 C (30.2 F)
2017	-2.0 C (28.4 F)
2018	0.0 C (32.0 F)
2019	-1.0 C (30.2 F)

Wettest day (Rx1day)

The wettest day of the year at Willow Grove (Blue Rock Reserv, 1986 to 2019. The record is 112.2 mm (4.4 in) in 2005, marked on the chart; the median year is 32.9 mm (1.3 in).

Wettest day (Rx1day) at Willow Grove (Blue Rock Reserv by year
Year	Wettest day (Rx1day)
1986	34.6 mm (1.4 in)
1987	28.6 mm (1.1 in)
1988	39.4 mm (1.6 in)
1989	35.8 mm (1.4 in)
1990	49.4 mm (1.9 in)
1991	39.2 mm (1.5 in)
1992	31.2 mm (1.2 in)
1993	47.0 mm (1.9 in)
1994	50.2 mm (2.0 in)
1995	48.0 mm (1.9 in)
1996	28.8 mm (1.1 in)
1997	24.6 mm (1.0 in)
1998	38.4 mm (1.5 in)
1999	59.8 mm (2.4 in)
2000	26.8 mm (1.1 in)
2001	24.4 mm (1.0 in)
2002	27.2 mm (1.1 in)
2003	31.2 mm (1.2 in)
2004	49.2 mm (1.9 in)
2005	112.2 mm (4.4 in)
2006	25.8 mm (1.0 in)
2007	30.8 mm (1.2 in)
2008	26.0 mm (1.0 in)
2009	21.4 mm (0.8 in)
2010	23.0 mm (0.9 in)
2011	37.2 mm (1.5 in)
2012	50.4 mm (2.0 in)
2013	31.0 mm (1.2 in)
2014	23.2 mm (0.9 in)
2015	36.0 mm (1.4 in)
2016	35.0 mm (1.4 in)
2017	96.3 mm (3.8 in)
2018	30.4 mm (1.2 in)
2019	9.8 mm (0.39 in)

Wettest five days (Rx5day)

The wettest five days of the year at Willow Grove (Blue Rock Reserv, 1986 to 2019. The record is 123.8 mm (4.9 in) in 2005, marked on the chart; the median year is 51.2 mm (2.0 in).

Wettest five days (Rx5day) at Willow Grove (Blue Rock Reserv by year
Year	Wettest five days (Rx5day)
1986	68.4 mm (2.7 in)
1987	45.8 mm (1.8 in)
1988	67.6 mm (2.7 in)
1989	61.4 mm (2.4 in)
1990	92.6 mm (3.6 in)
1991	62.6 mm (2.5 in)
1992	64.0 mm (2.5 in)
1993	90.6 mm (3.6 in)
1994	44.2 mm (1.7 in)
1995	88.6 mm (3.5 in)
1996	41.2 mm (1.6 in)
1997	33.2 mm (1.3 in)
1998	52.6 mm (2.1 in)
1999	71.8 mm (2.8 in)
2000	53.6 mm (2.1 in)
2001	41.2 mm (1.6 in)
2002	35.0 mm (1.4 in)
2003	59.8 mm (2.4 in)
2004	62.8 mm (2.5 in)
2005	123.8 mm (4.9 in)
2006	45.0 mm (1.8 in)
2007	55.6 mm (2.2 in)
2008	38.4 mm (1.5 in)
2009	20.5 mm (0.8 in)
2010	25.4 mm (1.0 in)
2011	39.8 mm (1.6 in)
2012	41.8 mm (1.6 in)
2013	33.3 mm (1.3 in)
2014	41.2 mm (1.6 in)
2015	49.8 mm (2.0 in)
2016	56.2 mm (2.2 in)
2017	75.1 mm (3.0 in)
2018	38.4 mm (1.5 in)
2019	10.0 mm (0.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Willow Grove (Blue Rock Reserv, 1986 to 2019. The record is 32 days in 1986, marked on the chart; the median year is 17 days.

Longest dry spell (CDD) at Willow Grove (Blue Rock Reserv by year
Year	Longest dry spell (CDD)
1986	32 days
1987	23 days
1988	15 days
1989	20 days
1990	15 days
1991	15 days
1992	17 days
1993	17 days
1994	23 days
1995	12 days
1996	16 days
1997	12 days
1998	12 days
1999	14 days
2000	21 days
2001	24 days
2002	22 days
2003	24 days
2004	19 days
2005	16 days
2006	28 days
2007	21 days
2008	21 days
2009	21 days
2010	14 days
2011	10 days
2012	17 days
2013	16 days
2014	20 days
2015	17 days
2016	16 days
2017	14 days
2018	11 days
2019	20 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 Willow Grove (Blue Rock Reserv standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Willow Grove (Blue Rock Reserv 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 2026-10-13. Last revised 13 October 2026 (2026-10-13).