Thermal Comfort Observations

WBGT and Apparent Temperature for Western Australia

Issued at 5.07 am (WST) Wednesday 01 July 2015
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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 18.9 -- 13.5 16.3 35 4.0 N 7
Barrow Island 05:00 am 19.3 -- 17.3 18.4 75 14.8 SSE 13
Broome 05:00 am 13.5 -- 11.7 11.9 75 8.9 ESE 7
Curtin 05:00 am 18.0 -- 12.3 13.0 35 1.5 ESE 17
Derby Airport 05:00 am 12.0 -- 8.3 10.1 45 0.5   Calm
Fitzroy Crossing 05:00 am 14.4 -- 10.2 10.6 45 2.0 E 11
Halls Creek 05:00 am 14.6 -- 11.0 12.7 50 4.7 SE 4
Kalumburu 05:00 am 13.3 -- 12.0 12.2 80 9.9 S 6
Karratha Airport 05:00 am 10.2 -- 7.8 7.5 60 2.8 SW 6
Kununurra Airport 05:00 am 13.7 -- 12.5 13.9 80 10.6   Calm
Learmonth 05:00 am 7.2 -- 6.7 4.5 90 5.6 WSW 9
Newman 05:00 am 5.2 -- 3.5 3.2 65 -0.4   Calm
Onslow 05:00 am 11.6 -- 10.4 8.8 80 8.5 SSE 13
Port Hedland 05:00 am 12.4 -- 9.3 8.4 55 3.1 SSE 13
Roebourne Airport 05:00 am 9.4 -- 7.9 6.6 75 5.0 SSW 9
Telfer 05:00 am 12.6 -- 9.0 7.7 50 1.9 SE 17
Troughton Island 05:02 am 23.8 -- 19.7 22.0 55 14.5 SSE 17
Wyndham 05:00 am 16.7 -- 12.4 14.4 45 4.7 E 6
Gascoyne, Interior, Goldfields and Eucla
Carnarvon 05:00 am 12.3 -- 9.5 8.2 55 4.1 ENE 15
Eucla 05:00 am 5.5 -- 5.0 1.3 90 4.0 N 15
Forrest 05:00 am 4.2 -- 4.0 1.5 95 3.5 NE 7
Giles 05:00 am 9.9 -- 7.7 6.0 65 3.4 E 13
Kalgoorlie Boulder Airport 05:00 am 8.6 -- 6.0 5.3 55 0.2 N 7
Laverton 05:00 am 9.6 -- 7.1 5.5 60 2.2 ENE 13
Leonora Airport 05:00 am 3.8 -- 3.2 2.1 85 1.8   Calm
Leinster 05:00 am 7.8 -- 5.6 4.6 60 0.8 NE 7
Meekatharra 05:00 am 8.6 -- 6.0 4.6 55 0.3 NNE 11
Mount Magnet 05:00 am 10.4 -- 7.6 7.0 55 1.8 NE 9
Norseman 05:00 am 9.2 -- 7.0 5.1 65 2.5 NNE 13
Paraburdoo 05:00 am 8.4 -- 6.3 4.2 65 1.8 NE 13
Shark Bay 05:00 am 12.3 -- 11.0 9.6 80 9.0 E 13
Southern Cross Airport 05:00 am 11.0 -- 8.1 9.0 55 2.3 NE 2
Warburton 05:00 am 8.7 -- 6.7 5.4 65 2.7 SSE 9
Central and Lower West
Badgingarra 05:00 am 13.6 -- 11.0 11.5 60 6.5 NE 7
Bickley 05:00 am 11.6 -- 10.0 8.9 75 7.3 NNE 11
Champion Lakes          *         
Dwellingup Forestry 05:00 am 8.9 -- 8.5  *  90 7.7    
Garden Island 05:00 am 15.5 -- 14.2 13.8 80 12.3 NNE 13
Geraldton Airport 05:00 am 14.6 -- 12.4 11.9 70 8.9 NE 13
Gingin Airport 05:00 am 13.4 -- 11.4 11.8 70 8.0 NNE 6
Jandakot Airport 05:00 am 11.3 -- 10.7 10.9 90 9.7 N 2
Mandurah 05:00 am 15.2 -- 13.8 14.1 80 11.8 NE 9
Morawa 05:00 am 13.6 -- 10.7 12.2 60 5.5 SE 2
North Island 05:00 am 19.7 -- 17.3 17.4 70 14.1 ENE 19
Pearce 05:00 am 14.0 -- 11.9 13.7 70 8.6   Calm
Perth Airport 05:00 am 13.8 -- 11.9 12.3 75 9.0 NNE 7
Perth Metro 05:00 am 11.5 -- 10.8 11.5 90 9.8   Calm
Rottnest Island 05:00 am 16.9 -- 15.3 14.7 80 13.2 NNE 17
Swanbourne 05:00 am 13.8 -- 11.9 11.9 75 9.0 E 9
South West
Bridgetown 05:00 am 8.3 -- 8.3 7.5 100 8.3 NE 2
Bunbury 05:00 am 14.0      *      NNE 6
Busselton Airport 05:00 am 10.8 -- 10.7 8.9 100 10.6 ESE 11
Busselton          *         
Cape Leeuwin 05:00 am 14.8 -- 13.6 10.8 80 11.8 NNE 24
Cape Naturaliste 05:00 am 14.5 -- 13.8 12.9 90 12.9 SE 13
Collie East 05:00 am 7.1 -- 6.7 6.2 95 6.0   Calm
Manjimup 05:00 am 9.9 -- 9.9 8.2 100 9.9 NNE 9
Shannon 05:00 am 9.4      *  100 9.5 NE 9
Walpole 05:00 am 10.9 -- 10.8 11.1 100 10.7   Calm
Witchcliffe 05:00 am 8.2 -- 8.2 7.8 100 8.1   Calm
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 7.8 -- 7.7 5.1 95 7.4 N 11
Cunderdin Airfield 05:00 am 12.4 -- 10.1 9.8 65 6.2 E 9
Dalwallinu 05:00 am 11.9 -- 9.9 9.8 70 6.6 NNE 7
Esperance 05:00 am 13.6 -- 9.8 9.5 45 2.4 NW 13
Esperance Airport 05:00 am 11.4 -- 9.6 6.9 70 6.3 N 19
Hopetoun North 05:00 am 14.3 -- 10.6 10.5 50 3.7 N 13
Jacup 05:00 am 10.6 -- 8.5 7.7 65 4.5 NW 9
Katanning 05:00 am 9.9 -- 8.1 8.8 70 4.9   Calm
Lake Grace 05:00 am 10.4 -- 8.6 8.2 70 5.4 N 6
Munglinup West 05:00 am 12.4 -- 8.9 9.0 50 2.0 NNW 9
Newdegate Research Stn 05:00 am 8.3 -- 6.8 6.2 75 3.9 N 4
Rocky Gully South 05:00 am 9.9 -- 8.9 7.9 85 7.2 NNE 7
Salmon Gums Research Stn 05:00 am 11.0 -- 8.1 7.7 55 2.3 NNW 9
Wandering 05:00 am 8.9      *        Calm
North West Islands
Christmas Island 05:00 am 23.9 -- 21.6 24.4 75 19.2 E 15
Cocos Is 05:00 am 26.7 -- 24.7 28.6 80 22.7 ESE 17

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).