Thermal Comfort Observations

WBGT and Apparent Temperature for Western Australia

Issued at 11.07 pm (WST) Wednesday 23 July 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 20.8 -- 14.0 16.6 30 1.6 NNW 13
Barrow Island 11:00 pm 19.7 -- 16.2 14.0 60 11.2 S 32
Broome 11:00 pm 21.8 -- 17.9 20.5 55 12.6 SE 11
Curtin 11:00 pm 21.0 -- 17.4 19.4 60 12.7 SW 13
Derby Airport 11:00 pm 21.3 -- 18.7 21.4 70 15.4 SW 9
Fitzroy Crossing 11:00 pm 22.5 -- 17.5 19.9 45 10.6 S 15
Halls Creek 11:00 pm 19.8 -- 15.0 18.5 45 7.8 SSE 4
Kalumburu 11:00 pm 17.3 -- 16.3 19.0 85 15.1   Calm
Karratha Airport 11:00 pm 14.2 -- 13.1 12.6 85 11.5 SW 11
Kununurra Airport 05:30 pm 24.6 -- 20.3 25.5 55 15.1 NNW 4
Learmonth 11:00 pm 10.2 -- 8.0 6.0 65 3.8 SSW 15
Newman 11:00 pm 8.1 -- 7.6 5.6 90 6.7 SSW 9
Onslow 11:00 pm 15.2 -- 11.3 10.1 50 4.3 S 20
Port Hedland 11:00 pm 15.2 -- 12.8 12.9 65 8.9 S 11
Roebourne Airport 11:00 pm 11.4 -- 9.5 8.8 70 6.1 SSW 9
Telfer 11:00 pm 14.3 -- 10.2 7.7 45 2.2 S 26
Troughton Island 11:00 pm 23.3 -- 22.5 26.2 90 21.7 W 9
Wyndham 11:00 pm 19.3 -- 17.0 18.8 70 13.9 E 9
Gascoyne, Interior, Goldfields and Eucla
Carnarvon 11:00 pm 15.3 -- 12.9 11.3 65 9.0 SSE 20
Eucla 11:00 pm 9.8 -- 9.5 7.1 95 9.0 WNW 13
Forrest 11:01 pm 9.4      *  100 9.5 W 17
Giles 11:00 pm 6.6 -- 4.6 4.3 65 0.2 S 2
Kalgoorlie Boulder Airport 11:00 pm 5.8 -- 5.2 2.8 90 3.9 WNW 9
Laverton 11:00 pm 9.8 -- 7.6 5.2 65 3.5 SW 17
Leonora Airport 11:00 pm 5.3 -- 4.2 2.4 75 1.6 W 6
Leinster 11:00 pm 7.0 -- 5.2 3.2 70 1.5 SW 11
Meekatharra 11:00 pm 8.7 -- 6.5 4.5 60 1.9 SSE 13
Mount Magnet 11:00 pm 8.0 -- 6.1 6.4 65 2.3   Calm
Norseman 11:00 pm 4.9 -- 4.9 2.6 100 4.8 SSW 6
Paraburdoo 11:00 pm 13.5 -- 8.8 8.9 35 -1.3 S 13
Shark Bay 11:00 pm 12.8 -- 11.4 10.2 80 9.3 S 13
Southern Cross Airport 11:00 pm 8.1 -- 7.5 5.6 90 6.4 W 9
Warburton 11:00 pm 5.8 -- 5.7 3.6 95 5.4 ENE 6
Central and Lower West
Badgingarra 11:00 pm 8.4 -- 8.4 8.0 100 8.4   Calm
Bickley 11:00 pm 9.7 -- 9.5  *  95 9.2    
Champion Lakes 11:00 pm 11.2 -- 10.8 9.6 95 10.3 N 9
Dwellingup Forestry 11:00 pm 10.8 -- 10.4  *  95 9.7    
Garden Island 11:00 pm 16.4 -- 14.9 12.7 80 12.8 W 24
Geraldton Airport 11:00 pm 9.1 -- 8.8 8.3 95 8.3 SSE 2
Gingin Airport 11:00 pm 10.4 -- 10.4 8.5 100 10.4 N 11
Jandakot Airport 11:00 pm 9.4 -- 9.2 7.5 95 9.0 NNE 9
Mandurah 11:00 pm 16.1 -- 14.4 13.8 75 11.9 W 15
Morawa 11:00 pm 8.7 -- 8.7 7.7 100 8.7 W 4
North Island 10:59 pm 17.2 -- 14.4 13.5 65 10.3 S 20
Pearce 11:00 pm 10.8 -- 10.3 8.7 90 9.6 N 11
Perth Airport 11:00 pm 10.2 -- 10.1 8.5 100 10.0 NNE 9
Perth Metro 11:00 pm 9.5 -- 9.4 9.0 100 9.2 W 2
Rottnest Island 11:00 pm 15.3 -- 13.7 10.8 80 11.5 W 26
Swanbourne 11:00 pm 14.9 -- 13.6 12.2 80 11.7 W 17
South West
Bridgetown 11:00 pm 11.9 -- 11.8 11.1 100 11.7 NNW 7
Bunbury 11:00 pm 15.0      *      WNW 9
Busselton Airport 11:00 pm 10.7 -- 10.5 10.8 95 10.1   Calm
Busselton          *         
Cape Leeuwin 11:00 pm 15.7 -- 14.1 8.5 80 11.8 WSW 41
Cape Naturaliste 11:00 pm 14.9 -- 13.8 8.2 85 12.2 WSW 39
Collie East 11:00 pm 10.3 -- 10.0 9.1 95 9.4 W 6
Manjimup 11:00 pm 11.2 -- 11.2 8.7 100 11.2 WSW 15
Shannon 11:00 pm 11.3      *  100 11.5 W 11
Walpole 11:00 pm 11.2 -- 11.0 9.0 95 10.7 WSW 13
Witchcliffe 11:00 pm 14.0 -- 13.2 11.8 90 12.0 SW 15
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 11.0 -- 10.4 6.3 90 9.4 WNW 24
Cunderdin Airfield 11:00 pm 6.9 -- 6.7 4.3 95 6.2 W 9
Dalwallinu 11:00 pm 8.6 -- 8.3 6.4 95 7.8 W 9
Esperance 11:00 pm 8.4 -- 7.4 4.9 80 5.5 WNW 13
Esperance Airport 11:00 pm 7.7 -- 7.4 3.4 95 6.8 WNW 19
Hopetoun North 11:00 pm 6.2 -- 5.9 3.0 95 5.2 NNW 11
Jacup 11:00 pm 7.6 -- 7.1 3.1 90 6.1 NW 19
Katanning 11:00 pm 8.2 -- 7.6 4.5 90 6.5 NW 15
Lake Grace 11:00 pm 6.7 -- 6.5 4.1 95 6.0 NNW 9
Munglinup West 11:00 pm 6.7 -- 6.2 3.1 90 5.2 NW 13
Newdegate Research Stn 11:00 pm 7.4 -- 6.8 4.0 90 5.7 WNW 13
Rocky Gully South 11:00 pm 10.3 -- 9.8 7.6 90 9.1 NW 13
Salmon Gums Research Stn 11:00 pm 5.6 -- 5.1 3.0 90 4.1 NW 7
Wandering 11:00 pm 7.8 -- 7.4 4.9 95 6.7 NNW 11
North West Islands
Christmas Island 11:00 pm 23.5 -- 22.1 22.2 85 20.6 SE 28
Cocos Is 11:00 pm 25.4 -- 22.4 22.1 70 19.2 ESE 35

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).