Thermal Comfort Observations

WBGT and Apparent Temperature for Western Australia

Issued at 5.07 am (WST) Friday 18 April 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 05:00 am 24.9 -- 19.2 24.3 45 11.6 E 6
Barrow Island 05:00 am 26.4 -- 23.6 27.6 70 20.7 SSE 15
Broome 05:00 am 25.3 -- 21.2 26.2 60 16.5 SE 7
Curtin 05:00 am 24.1 -- 18.7 22.1 45 11.4 ESE 13
Derby Airport 05:00 am 19.7 -- 17.8 21.5 75 15.4   Calm
Fitzroy Crossing 05:00 am 21.2 -- 16.8 20.3 50 10.7 ESE 6
Halls Creek 05:00 am 20.1 -- 16.2 19.6 55 10.9 SSE 4
Kalumburu 05:00 am 22.4 -- 20.5 24.1 80 18.4 SSW 7
Karratha Airport 05:00 am 20.3 -- 17.1 18.7 60 12.8 S 13
Kununurra Airport 05:00 am 22.6 -- 19.7 23.5 65 16.2 WSW 6
Learmonth 05:00 am 18.8 -- 16.9 18.5 75 14.5 SW 9
Newman 05:00 am 13.3 -- 9.2 10.2 45 1.3 WSW 7
Onslow 05:00 am 22.2 -- 19.1 22.6 65 15.3 S 7
Port Hedland 05:00 am 20.2 -- 17.9 19.3 70 14.9 SSE 13
Roebourne Airport 05:00 am 18.4 -- 16.5 19.7 75 14.1   Calm
Telfer 05:00 am 18.6 -- 13.3 14.8 40 4.0 SE 13
Troughton Island 05:00 am 28.9 -- 25.0 30.3 65 21.1 S 15
Wyndham 05:00 am 24.6 -- 19.7 24.0 50 13.5 E 9
Gascoyne, Interior, Goldfields and Eucla
Carnarvon 05:00 am 19.6 -- 17.8 18.9 75 15.5 SSE 13
Eucla 05:00 am 18.6 -- 17.5 17.4 85 16.2 SE 17
Forrest 05:00 am 17.3 -- 17.2 16.5 100 17.1 SSE 17
Giles 05:00 am 14.0 -- 10.8 10.5 55 5.3 E 13
Kalgoorlie Boulder Airport 05:00 am 15.1 -- 13.3 11.5 75 10.6 E 20
Laverton 04:59 am 16.1 -- 13.4 11.8 65 9.3 E 22
Leonora Airport 05:00 am 18.1 -- 14.7 13.8 55 9.5 ESE 22
Leinster 05:00 am 18.0 -- 12.1 14.1 30 1.1 NE 11
Meekatharra 05:00 am 19.1 -- 12.5 15.4 30 0.0 ENE 9
Mount Magnet 05:00 am 17.8 -- 13.1 15.4 45 5.4 E 7
Norseman 05:00 am 13.6 -- 12.9 12.5 90 11.8 SE 9
Paraburdoo 05:00 am 20.3 -- 13.3 15.5 25 0.2 E 15
Shark Bay 05:00 am 18.6 -- 16.5 17.3 75 13.7 SSE 13
Southern Cross Airport 05:00 am 13.8 -- 12.0 11.6 75 9.3 ESE 11
Warburton 05:00 am 13.7 -- 11.6 13.3 70 8.3   Calm
Central and Lower West
Badgingarra 05:00 am 16.4 -- 13.3 11.5 60 8.4 E 24
Bickley 05:00 am 12.8 -- 12.1  *  90 11.2    
Champion Lakes 05:00 am 16.5 -- 14.5 13.2 75 11.6 ESE 20
Dwellingup Forestry 05:00 am 14.2 -- 13.1 11.4 85 11.4 ESE 17
Garden Island 05:00 am 17.5 -- 15.7 14.9 75 13.2 E 19
Geraldton Airport 05:00 am 13.0 -- 12.1 11.2 85 10.8 SE 11
Gingin Airport 05:00 am 15.8 -- 14.0 12.6 75 11.4 E 19
Jandakot Airport 05:00 am 16.1 -- 14.2 13.0 75 11.5 E 19
Mandurah 05:00 am 16.2 -- 14.3 15.6 75 11.6 ESE 6
Morawa 05:00 am 15.7 -- 12.4 14.2 55 7.0 SSE 4
North Island 05:00 am 21.4 -- 19.6 18.7 80 17.6 SE 28
Pearce 05:00 am 17.6 -- 14.8 12.1 65 10.7 E 30
Perth Airport 05:00 am 16.8 -- 14.4 10.5 70 11.0 E 35
Perth Metro 05:00 am 16.7 -- 14.6 15.1 70 11.6 E 11
Rottnest Island 05:00 am 17.8 -- 15.3 14.6 70 11.8 E 20
Swanbourne 05:00 am 16.8 -- 14.5 13.9 70 11.1 E 17
South West
Bridgetown 05:00 am 8.4 -- 8.4 8.0 100 8.4   Calm
Bunbury 05:00 am 12.8 -- 12.1 12.4 90 11.0 SSE 4
Busselton Airport 05:00 am 11.1 -- 10.6 11.1 90 9.9   Calm
Busselton          *         
Cape Leeuwin 05:00 am 14.3 -- 13.2 11.0 85 11.7 NE 20
Cape Naturaliste 05:00 am 12.5 -- 11.7 9.1 90 10.6 ESE 19
Collie East 05:00 am 11.6 -- 11.0 11.7 90 10.2   Calm
Manjimup 05:00 am 11.9 -- 11.9 11.2 100 11.9 ENE 7
Shannon          *         
Walpole 05:00 am 12.5 -- 12.4 13.2 100 12.3   Calm
Witchcliffe 05:00 am 11.9 -- 11.9 12.1 100 11.9 SSE 2
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 05:00 am 12.3 -- 12.2 12.6 100 12.1 N 2
Cunderdin Airfield 05:00 am 14.1 -- 12.9 11.6 80 11.1 ESE 15
Dalwallinu 05:00 am 13.0 -- 10.5 9.6 65 6.1 SE 13
Esperance 05:00 am 15.0 -- 13.9 14.4 85 12.4 N 7
Esperance Airport 05:00 am 13.8 -- 13.3 13.3 90 12.5 NNE 7
Hopetoun North 05:00 am        *      NNE 7
Jacup 05:00 am 14.2 -- 13.4 13.8 90 12.4 ENE 6
Katanning 05:00 am 14.5 -- 13.0 13.7 80 10.9 E 6
Lake Grace 05:00 am 14.8 -- 14.0 14.0 90 12.8 E 9
Munglinup West 05:00 am 13.1 -- 13.1 12.7 100 13.1 NNE 7
Newdegate Research Stn 05:00 am 15.1 -- 13.6 13.1 80 11.5 E 13
Rocky Gully South 05:00 am 10.5 -- 10.1 10.4 95 9.6   Calm
Salmon Gums Research Stn 05:00 am 13.6 -- 12.9 12.5 90 11.8 NE 9
Wandering 05:00 am 15.0 -- 13.4 14.0 75 11.0 SE 7
North West Islands
Christmas Island 05:00 am 24.8 -- 23.6 27.7 85 22.4 E 11
Cocos Is 05:00 am 26.9 -- 25.9 29.7 90 24.9 ENE 19

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).