Thermal Comfort Observations

WBGT and Apparent Temperature for Western Australia

Issued at 11.07 pm (WST) Saturday 20 September 2014
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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 11:00 pm 27.9 -- 18.9 24.3 25 4.8 NW 13
Barrow Island 11:00 pm 21.4 -- 19.7 20.5 80 17.8 W 19
Broome 11:00 pm 24.4 -- 23.2 27.8 85 22.0 W 7
Curtin 11:00 pm 22.1 -- 19.6 23.2 70 16.6 W 6
Derby Airport 11:00 pm 25.3 -- 22.6 27.7 70 19.7 NNW 6
Fitzroy Crossing 11:00 pm 26.2 -- 17.9 23.9 25 4.6 WSW 6
Halls Creek 11:00 pm 24.6 -- 17.3 23.4 30 6.4 E 2
Kalumburu 11:00 pm 19.6 -- 16.8 20.6 65 13.1   Calm
Karratha Airport 11:00 pm 25.5 -- 21.3 23.9 55 16.4 WSW 20
Kununurra Airport 11:07 pm 23.5 -- 19.5 23.3 55 14.6 SE 9
Learmonth 11:00 pm 20.0 -- 18.5 20.6 80 16.7 E 9
Newman 11:00 pm 24.4 -- 15.5 20.6 20 -0.7 NW 9
Onslow 11:00 pm 22.4 -- 21.2 22.8 85 19.8 W 17
Port Hedland 11:00 pm 24.4 -- 20.0 22.7 55 14.6 WNW 17
Roebourne Airport 11:00 pm 22.7 -- 16.1 20.3 30 5.2 NNW 7
Telfer 11:00 pm 25.8 -- 17.1 24.2 20 2.5   Calm
Troughton Island 11:00 pm 26.1 -- 25.9 30.2 100 25.8 W 15
Wyndham 11:00 pm 24.8 -- 18.9 23.7 40 10.7 N 7
Gascoyne, Interior, Goldfields and Eucla
Carnarvon 11:00 pm 17.0 -- 16.0 16.0 85 14.7 NNE 13
Eucla 11:00 pm 12.7 -- 12.3 11.1 95 11.6 E 11
Forrest 11:00 pm 11.9 -- 10.6 7.7 80 8.4 E 20
Giles 11:00 pm 19.0 -- 10.3 12.4 10 -14.7 ESE 17
Kalgoorlie Boulder Airport 11:00 pm 22.7 -- 13.8 15.5 15 -5.1 NE 24
Laverton 11:00 pm 22.2 -- 13.9 14.9 20 -2.5 ENE 26
Leonora Airport 11:00 pm 25.0 -- 16.1 19.1 20 -0.9 ENE 20
Leinster 11:00 pm 24.1 -- 15.5 19.2 20 -0.2 NE 15
Meekatharra 11:00 pm 20.4 -- 13.5 17.2 25 0.7 WNW 7
Mount Magnet 11:00 pm 23.2 -- 15.5 19.5 25 2.1 W 11
Norseman 11:00 pm 22.5 -- 15.1 15.9 25 2.1 NE 26
Paraburdoo 11:00 pm 23.5 -- 15.6 20.1 25 1.8 SSE 9
Shark Bay 11:00 pm 16.7 -- 15.2 15.6 80 13.2 N 11
Southern Cross Airport 11:00 pm 21.0 -- 15.3 16.4 40 6.5 WSW 20
Warburton 11:00 pm 20.3 -- 12.4 14.9 20 -4.8 ESE 15
Central and Lower West
Badgingarra 10:30 pm 16.2 -- 15.9 14.4 95 15.6 NNW 19
Bickley 11:00 pm 16.3 -- 16.0  *  95 15.7    
Champion Lakes          *         
Dwellingup Forestry 11:00 pm 17.6 -- 16.2 14.9 80 14.5 NNW 22
Garden Island 11:00 pm 19.2 -- 18.3 17.9 90 17.3 N 20
Geraldton Airport 11:00 pm 15.7 -- 14.5 13.0 85 12.8 NNE 19
Gingin Airport 11:00 pm 16.7 -- 16.7 16.9 100 16.7 N 11
Jandakot Airport 11:00 pm 18.4 -- 17.3 17.6 85 16.0 N 15
Mandurah 11:00 pm 19.4 -- 19.3 18.9 100 19.1 N 20
Morawa 11:00 pm 16.7 -- 13.1 14.4 55 7.4 NW 9
North Island 10:59 pm 21.0 -- 20.9 19.4 100 20.7 NNW 30
Pearce 11:00 pm 17.6 -- 16.0 16.4 80 13.9 N 13
Perth Airport 11:00 pm 17.4 -- 15.8 15.7 80 13.7 NNE 15
Perth Metro 11:00 pm 17.4 -- 16.2 17.6 85 14.7 NNE 7
Rottnest Island 11:00 pm 19.6 -- 18.2 15.8 85 16.6 N 32
Swanbourne 11:00 pm 18.6 -- 17.8 19.2 90 16.9 N 9
South West
Bridgetown 11:00 pm 18.1 -- 17.0 15.4 85 15.7 N 24
Bunbury 11:00 pm 18.8 -- 17.5 17.2 85 15.9 N 19
Busselton Airport 11:05 pm 18.9 -- 17.1 15.1 75 14.8 N 28
Busselton          *         
Cape Leeuwin 11:00 pm 19.3 -- 17.0 13.6 70 14.1 N 37
Cape Naturaliste 11:00 pm 18.5 -- 16.9 13.5 80 15.0 N 35
Collie East 11:00 pm 18.4 -- 16.4 15.8 75 13.7 NW 20
Manjimup 11:00 pm 16.6 -- 15.8 14.0 90 14.8 N 22
Shannon 11:00 pm 16.8 -- 15.3 14.6 80 13.3 N 17
Walpole 11:00 pm 20.0 -- 15.9 16.8 50 9.9 NNW 17
Witchcliffe 11:00 pm 18.4 -- 16.6 14.8 75 14.3 N 26
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 11:00 pm 20.0 -- 15.1 15.6 45 7.6 NNW 20
Cunderdin Airfield 11:00 pm 13.5 -- 11.6 11.5 70 8.6 N 9
Dalwallinu 11:00 pm 16.4 -- 13.7 13.1 65 9.6 WNW 17
Esperance 11:00 pm 17.2 -- 13.0 12.5 45 5.9 NNE 20
Esperance Airport 11:00 pm 16.1 -- 11.5 10.0 40 2.9 NNE 24
Hopetoun North 11:00 pm 17.5 -- 12.7 13.0 40 4.1 NNE 17
Jacup 11:00 pm 20.5 -- 14.8 15.7 40 5.7 N 20
Katanning 11:00 pm 17.6 -- 13.5 12.7 50 7.1 NW 22
Lake Grace 11:00 pm 18.7 -- 14.0 15.0 45 6.5 N 15
Munglinup West 11:00 pm 21.7 -- 14.5 14.6 25 1.4 NE 28
Newdegate Research Stn 11:00 pm 14.2 -- 11.2 11.3 60 6.3 NNW 11
Rocky Gully South 11:00 pm 18.6 -- 14.6 14.5 50 8.6 NNW 20
Salmon Gums Research Stn 11:00 pm 19.0 -- 12.6 14.9 30 0.1 NE 11
Wandering 11:00 pm 16.5 -- 14.8 14.8 75 12.5 NNW 13
North West Islands
Christmas Island 11:07 pm 23.7 -- 23.1 25.1 95 22.5 ESE 19
Cocos Is 11:00 pm 24.4 -- 23.9 25.0 95 23.4 SE 26

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).