Thermal Comfort Observations

WBGT and Apparent Temperature for Western Australia

Issued at 3.07 am (WST) Tuesday 22 August 2017
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Station Name Observation
Time
Temp WBGT
sun
WBGT
shade
  AT
shade
Rel
Hum
Dew
Point
Wind (10m)
Dir Spd

WST °C °C°C°C % °C
km/h
Kimberley and Pilbara
Argyle 03:00 am 22.1 -- 16.0 21.3 35 6.5   Calm
Barrow Island 03:00 am 19.0 -- 18.3 20.3 90 17.5 WNW 7
Broome 03:00 am 22.9 -- 18.1 21.7 50 11.7 SSE 9
Curtin 03:00 am 21.9 -- 15.2 19.2 30 3.6 E 7
Derby Airport 03:00 am 21.3 -- 15.8 18.6 40 7.2 ESE 11
Fitzroy Crossing 03:00 am 18.9 -- 13.9 15.8 40 5.7 S 11
Halls Creek 03:00 am 20.9 -- 14.7 18.4 35 4.5 NE 7
Kalumburu 03:00 am 19.0 -- 18.2 21.5 90 17.3   Calm
Karratha Airport 03:00 am 17.9 -- 17.1 18.2 90 16.1 SSW 9
Kununurra Airport 03:00 am 17.1 -- 16.0 18.6 85 14.7   Calm
Learmonth 03:00 am 17.5 -- 15.1 18.1 70 11.8   Calm
Newman 03:00 am 14.4 -- 10.3 12.9 45 2.9   Calm
Onslow 03:00 am 19.0 -- 18.5 20.1 95 18.0 W 9
Port Hedland 03:00 am 16.9 -- 15.7 16.2 85 14.2 SSE 11
Roebourne Airport 03:00 am 18.3 -- 16.8 18.2 80 15.0 SW 9
Telfer 03:00 am 16.1 -- 10.5 11.5 30 -1.0 E 13
Troughton Island 03:00 am 25.3 -- 23.8 27.7 85 22.2 SW 13
Wyndham 03:00 am 19.9 -- 17.2 20.3 70 13.8 W 4
Gascoyne, Interior, Goldfields and Eucla
Carnarvon 03:00 am 16.2 -- 14.5 11.9 75 12.0 S 26
Eucla 03:00 am 6.1 -- 5.5 2.0 90 4.4 N 15
Forrest 03:00 am 5.5 -- 5.1 2.1 90 4.2 NE 11
Giles 03:00 am 7.9 -- 5.4 3.5 60 0.1 SE 13
Kalgoorlie Boulder Airport 03:00 am 6.6 -- 4.9 4.4 70 1.3 NE 2
Laverton 03:00 am 13.2 -- 9.5 9.1 50 2.4 ENE 13
Leonora Airport 03:00 am 10.6 -- 8.2 7.5 60 3.4 SSE 9
Leinster 03:00 am 12.6 -- 9.2 9.7 50 2.7 ENE 7
Meekatharra 03:00 am 15.4 -- 10.1 11.2 35 -0.8 E 11
Mount Magnet 03:00 am 11.4 -- 8.9 7.7 60 4.2 SSW 13
Norseman 03:00 am 3.1 -- 2.6 0.0 90 1.5 SSW 7
Paraburdoo 03:00 am 15.0 -- 10.0 11.6 35 -0.3 NE 7
Shark Bay 03:00 am 15.5 -- 13.2 9.4 70 9.8 S 32
Southern Cross Airport 03:00 am 3.5 -- 3.1 1.9 90 2.2   Calm
Warburton 03:00 am 12.4 -- 9.3 9.3 55 3.6 ESE 9
Central and Lower West
Badgingarra 03:00 am 5.9 -- 5.6 3.0 95 4.9 S 9
Bickley 03:00 am 9.1 -- 8.8 7.6 95 8.3 S 6
Dwellingup Forestry 03:00 am 8.5 -- 8.1 7.9 95 7.4   Calm
Garden Island 03:00 am 14.2 -- 13.2 11.1 85 11.7 SSE 19
Geraldton Airport 03:00 am 7.0 -- 6.7 4.0 95 6.1 SSE 11
Gingin Airport 03:00 am 10.1 -- 9.7 8.7 95 9.0 ENE 6
Jandakot Airport 03:00 am 11.4 -- 11.2 10.4 95 11.0 NNE 7
Mandurah 03:00 am 11.4 -- 11.0 10.8 95 10.3 E 4
Millendon (Swan Valley) 03:00 am 11.5 -- 11.3 11.8 95 11.0   Calm
Morawa 03:00 am 8.3 -- 8.3 6.7 100 8.2 S 6
North Island 03:00 am 16.2 -- 13.8 10.6 65 10.1 SSE 30
Pearce 03:00 am 11.6 -- 11.3 11.9 95 10.8   Calm
Perth Airport 03:00 am 11.7 -- 11.3 10.2 95 10.7 N 9
Perth Metro 03:00 am 11.9 -- 11.7 12.3 95 11.3   Calm
Rottnest Island 03:00 am 13.8 -- 11.7 11.7 70 8.4 SW 9
Swanbourne 03:00 am 11.7 -- 11.6 10.8 100 11.4 ENE 7
South West
Bridgetown 03:00 am 6.4 -- 6.3 5.5 95 6.0   Calm
Bunbury 03:00 am 10.4 -- 9.9 9.8 90 9.0 S 2
Busselton Airport 03:00 am 8.8 -- 8.7 7.7 100 8.5 E 4
Cape Leeuwin 03:00 am 14.0 -- 13.2 6.8 90 12.0 W 41
Cape Naturaliste 03:00 am 12.8 -- 11.2 8.7 75 8.7 W 20
Collie East 03:00 am 6.5 -- 6.1 5.4 90 5.3   Calm
Manjimup 03:00 am 7.0 -- 7.0 3.8 100 6.9 NNW 13
Shannon 03:00 am 7.8      *  100 7.9 NNW 15
Walpole 03:00 am 10.1 -- 9.8 6.7 95 9.2 NW 17
Witchcliffe 03:00 am 9.3 -- 9.3 7.8 100 9.2 NW 7
Station Name Observation
Time
Temp WBGT
sun
WBGT
shade
  AT
shade
Rel
Hum
Dew
Point
Wind (10m)
Dir Spd

WST °C °C°C°C % °C
km/h
Southern Coastal and Wheatbelt
Albany Airport 03:00 am 9.3 -- 8.6 6.2 90 7.4 NW 13
Cunderdin Airfield 03:00 am 4.8 -- 4.6 2.2 95 4.2 NNE 7
Dalwallinu 03:00 am 6.1 -- 5.9 3.7 95 5.4 SSE 7
Esperance 03:00 am 7.8 -- 7.6 5.4 95 7.2 N 9
Esperance Airport 03:00 am 6.0 -- 5.6 2.4 90 4.8 N 13
Hopetoun North 03:00 am 11.7 -- 10.6 10.1 80 8.7 NW 7
Jacup 03:00 am 5.6 -- 5.1 2.2 90 4.2 NW 11
Katanning 03:00 am 7.2 -- 6.1 4.1 80 3.8 WNW 9
Lake Grace 03:00 am 10.2 -- 8.6 7.5 75 5.6 W 9
Munglinup West 03:00 am 6.7 -- 4.7 3.6 65 0.2 NW 6
Newdegate Research Stn 03:00 am 9.4 -- 8.3 7.3 80 6.5 W 7
Rocky Gully South 03:00 am 7.4 -- 7.0 5.2 90 6.2 NNW 7
Salmon Gums Research Stn 03:00 am 0.6 -- 0.2 -1.5 90 -0.7   Calm
Wandering 03:00 am 9.4 -- 9.3 7.9 100 9.1 N 7
North West Islands
Christmas Island 03:00 am 23.3 -- 22.0 23.1 85 20.6 ESE 22
Cocos Is 03:00 am 25.1 -- 23.6 23.8 85 22.1 SE 32

Note: Calculation of the sun WBGT has been suppressed for this hour because the approximation used is not valid at these times.

The shade WBGT is calculated for an environment shaded from direct (and strong reflected) solar radiation and where surfaces are not significantly hotter or colder than the indicated air temperature.

* The calculation of AT requires an observation of temperature, humidity, and wind. If any of these are unavailable, the AT field is left blank.

The WBGT values displayed here should be used in conjunction with guidelines provided by Sports Medicine Australia (SMA).

Sports Medicine Australia may also provide additional regional guidelines. The AT values displayed here are the Steadman Apparent Temperatures measured in the shade. The Apparent Temperature is an estimation of what the temperature "feels like" to an appropriately dressed adult. Direct exposure to the afternoon sun would add as much as 8C to the AT.

Further information About Thermal Comfort Observations including Wet Bulb Globe Temperature (WBGT) and Apparent Temperature (AT).