Port Arthur Long-term Averages

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Mean Max (°C)	18.6	18.9	17.5	15.6	13.4	11.3	11.0	11.7	13.0	14.3	15.6	16.9	14.9
Mean Min (°C)	10.8	11.2	10.5	9.2	7.8	6.1	5.7	5.7	6.3	7.2	8.4	9.6	8.2
Mean Rain (mm)	91.6	63.9	93.2	95.8	85.7	110.9	113.8	124.0	105.4	104.8	83.4	97.7	1168.1
Median Rain (mm)	82.6	46.1	80.6	92.4	79.8	96.8	105.4	122.0	87.2	94.2	82.7	82.4	1151.1
Mean Rain Days	13.8	12.2	14.9	15.7	17.2	17.5	17.0	17.5	17.4	18.0	16.2	15.7	175.7

Port Arthur Daily Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max (°C)	37.0	36.1	33.2	26.0	22.0	17.8	17.0	19.7	27.0	28.5	30.6	34.4	37.0
Low Max (°C)	10.6	11.0	9.6	7.5	5.0	1.8	4.5	5.2	5.7	7.6	8.0	9.8	1.8
High Min (°C)	22.5	22.5	21.2	18.2	14.9	12.5	11.3	13.0	16.2	16.8	17.8	21.0	22.5
Low Min (°C)	3.0	5.0	2.7	2.2	0.6	-0.4	-0.5	0.6	-0.5	0.5	1.8	3.0	-0.5
High Rain (mm)	92.4	105.0	104.0	68.0	52.0	99.0	92.0	111.0	188.0	64.2	61.6	79.8	188.0

Port Arthur Monthly Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Mn. Max (°C)	21.5	21.7	19.2	17.4	15.2	12.8	12.4	13.5	15.5	15.7	17.4	20.2	15.4
Low Mn. Max (°C)	16.1	16.6	15.7	13.1	12.3	10.0	9.6	10.2	10.9	13.1	14.5	14.5	14.0
High Mn. Min (°C)	12.2	13.1	11.7	10.9	9.5	7.6	6.8	6.6	8.0	8.3	10.1	10.6	9.0
Low Mn. Min (°C)	9.1	9.7	8.5	7.4	7.1	4.5	4.6	4.7	4.5	6.0	7.1	8.2	7.6
High Rain (mm)	201.4	175.0	313.2	238.0	153.6	226.4	179.2	253.0	202.0	188.2	172.4	327.6	1534.8
Low Rain (mm)	19.0	15.4	29.6	40.6	14.0	42.2	46.6	29.0	30.5	38.8	17.6	16.0	943.0

Port Arthur Annual Temperatures & Rainfall

Port Arthur Average Number of Days With Temperatures

	Jan	Feb	Mar	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
≥ 40°C	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
≥ 35°C	0.1	0.1	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.2
≥ 30°C	0.6	0.6	0.2	0.0	0.0	0.0	0.0	0.0	0.0	0.1	0.4	1.7
≤ 2°C	0.0	0.0	0.0	0.2	0.9	1.3	1.0	1.5	0.4	0.1	0.0	5.0
≤ 0°C	0.0	0.0	0.0	0.0	0.1	0.1	0.0	0.1	0.0	0.0	0.0	0.2

Port Arthur 'per Week' Values (14th/86th Percentiles)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max	23.0	23.0	21.3	19.1	16.5	14.0	13.5	14.4	16.0	17.6	19.3	20.4	19.2
Low Max	14.6	14.8	13.7	12.0	10.3	8.7	8.6	8.9	10.0	11.0	12.0	13.1	10.5
High Min	13.5	13.9	13.2	11.9	10.2	8.7	8.0	7.9	8.9	9.6	11.0	12.0	11.5
Low Min	8.2	8.5	7.7	6.4	5.5	3.5	3.4	3.5	3.7	4.7	5.7	7.1	4.9

Port Arthur Data Availability

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Years of Minima	25	25	25	24	24	23	24	24	24	24	25	25	24.2
Earliest Entry	1981	1981	1981	1981	1981	1981	1981	1981	1981	1981	1980	1980	1980
Latest Entry	2005	2005	2005	2004	2004	2004	2004	2004	2004	2004	2004	2004	2005
Years of Maxima	25	25	25	24	24	24	24	24	24	24	25	25	24.3
Earliest Entry	1981	1981	1981	1981	1981	1981	1981	1981	1981	1981	1980	1980	1980
Latest Entry	2005	2005	2005	2004	2004	2004	2004	2004	2004	2004	2004	2004	2005
Years of Rainfall	27	26	26	26	26	25	25	25	25	25	25	26	25.5
Earliest Entry	1981	1981	1981	1981	1981	1981	1981	1981	1981	1981	1980	1980	1980
Latest Entry	2007	2006	2007	2009	2009	2006	2007	2007	2005	2005	2006	2006	2009

climate

Station Details

PORT ARTHUR (PALMERS LOOKOUT)
Lower Derwent, Tasmania

43.1639°S 147.8333°E 192m AMSL
Commenced 1980 / Closed 2011

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