Thermal Comfort Observations

WBGT and Apparent Temperature for Western Australia

Issued at 12.07 am (WST) Saturday 23 May 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 12:00 am 22.4 -- 17.0 22.2 45 9.2   Calm
Barrow Island 12:00 am 22.2 -- 21.3 23.6 90 20.3 E 13
Broome 12:00 am 22.8 -- 21.7 26.0 85 20.6 W 4
Curtin 12:00 am 22.3 -- 19.4 23.5 65 15.9 SW 4
Derby Airport 12:00 am 25.7 -- 22.4 27.6 65 18.9 S 7
Fitzroy Crossing 12:00 am 24.6 -- 17.7 22.3 35 7.3 E 9
Halls Creek 12:00 am 19.9 -- 14.2 17.4 35 4.7 ESE 7
Kalumburu 12:00 am 19.8 -- 18.9 22.5 90 17.8   Calm
Karratha Airport 12:00 am 20.8 -- 19.9 22.3 90 18.9 S 9
Kununurra Airport 12:00 am 25.9 -- 18.3 21.0 30 6.8 ESE 22
Learmonth 12:00 am 19.2 -- 18.5 20.6 90 17.7 S 7
Newman 12:00 am 17.3 -- 15.7 16.7 80 13.6 NE 9
Onslow 12:00 am 20.4 -- 19.8 20.9 95 19.2 SE 15
Port Hedland 12:00 am 23.3 -- 19.7 22.6 60 15.3 S 13
Roebourne Airport 12:00 am 20.9 -- 20.3 23.3 95 19.7 SW 6
Telfer 12:00 am 18.8 -- 16.5 14.6 70 13.6 SE 28
Troughton Island 12:00 am 27.0 -- 24.7 28.7 75 22.4 ENE 17
Wyndham 12:00 am 26.3 -- 19.8 22.8 40 10.9 E 20
Gascoyne, Interior, Goldfields and Eucla
Carnarvon 12:00 am 17.3 -- 16.2 18.9 85 14.9   Calm
Eucla 12:00 am 9.3 -- 7.4 4.7 65 3.5 NNE 17
Forrest 12:00 am 11.5 -- 8.4 6.0 50 2.0 NE 20
Giles 12:00 am 11.8 -- 6.9 6.7 30 -5.3 E 13
Kalgoorlie Boulder Airport 12:00 am 11.1 -- 7.9 7.3 50 1.5 NE 11
Laverton 12:00 am 14.0 -- 10.2 8.9 50 3.2 ENE 19
Leonora Airport 12:00 am 15.4 -- 11.1 10.1 45 2.9 NE 20
Leinster 12:00 am 16.1 -- 14.2 13.4 75 11.7 NE 17
Meekatharra 12:00 am 17.3 -- 15.6 16.7 80 13.5 NNE 9
Mount Magnet 12:00 am 15.1 -- 14.0 13.8 85 12.6 NE 11
Norseman 12:00 am 8.5 -- 6.4 4.0 65 1.9 NNE 15
Paraburdoo 12:00 am 17.8 -- 17.8 20.1 100 17.8 W 2
Shark Bay 12:00 am 15.6 -- 14.3 14.3 80 12.5 S 11
Southern Cross Airport 12:00 am 13.1 -- 10.3 9.6 60 5.3 NE 13
Warburton 12:00 am 15.8 -- 10.4 11.7 35 -0.4 NNE 11
Central and Lower West
Badgingarra 12:00 am 11.4 -- 10.4 9.4 85 8.8 SSE 9
Bickley 12:00 am 11.5 -- 5.1 6.8 10 -19.0 NNE 6
Champion Lakes          *         
Dwellingup Forestry 12:00 am 7.0 -- 6.5  *  90 5.6    
Garden Island 12:00 am 14.9 -- 13.5 13.7 80 11.5 SSE 9
Geraldton Airport 12:00 am 11.3 -- 10.8 10.0 90 10.1 NNE 7
Gingin Airport 12:00 am 6.2 -- 6.2 5.3 100 6.2   Calm
Jandakot Airport 12:00 am 6.9 -- 6.4 4.7 90 5.5 S 6
Mandurah 12:00 am 12.5 -- 11.3 11.7 80 9.5 SE 4
Morawa 12:00 am 10.7 -- 9.7 9.1 85 8.1 WSW 6
North Island 12:00 am 20.0 -- 17.3 17.4 65 13.7 S 20
Pearce 12:00 am 8.0 -- 7.6 6.1 95 6.9 SE 6
Perth Airport 12:00 am 8.3 -- 8.0 7.7 95 7.4   Calm
Perth Metro 12:00 am 9.0 -- 8.7 8.6 95 8.1   Calm
Rottnest Island 12:00 am 17.2 -- 14.8 16.0 70 11.5 S 9
Swanbourne 12:00 am 12.6 -- 11.4 11.2 80 9.6 SE 7
South West
Bridgetown 12:00 am 5.7 -- 5.7 4.7 100 5.7   Calm
Bunbury 12:00 am 6.8 -- 6.7 6.0 100 6.5   Calm
Busselton Airport 12:00 am 6.3 -- 6.1 4.0 95 5.6 SE 7
Busselton          *         
Cape Leeuwin 12:00 am 14.7 -- 12.2 9.4 65 8.3 NNE 26
Cape Naturaliste 12:00 am 14.1 -- 12.3 11.9 75 9.5 ENE 11
Collie East 12:00 am 4.4 -- 4.0 2.9 90 3.2   Calm
Manjimup 12:00 am 9.6 -- 9.6 6.7 100 9.6 N 15
Shannon 12:00 am 7.0      *  100 7.1 N 9
Walpole 12:00 am 12.1 -- 10.9 10.7 80 8.9 NE 6
Witchcliffe 12:00 am 10.2 -- 10.1 10.3 100 10.0   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 12:00 am 7.1 -- 7.0 5.0 95 6.7 N 7
Cunderdin Airfield 12:00 am 7.9 -- 7.4 7.1 90 6.5   Calm
Dalwallinu 12:00 am 11.4 -- 9.7 10.7 75 6.9   Calm
Esperance 12:00 am 12.9 -- 9.4 8.5 50 2.6 N 15
Esperance Airport 12:00 am 11.4 -- 9.0 5.6 60 4.4 NNE 24
Hopetoun North 12:00 am 7.6 -- 7.1 6.7 90 6.2   Calm
Jacup 12:00 am 7.8 -- 6.9 4.6 85 5.1 N 11
Katanning 12:00 am 8.5 -- 7.8 7.7 90 6.6   Calm
Lake Grace 12:00 am 12.0 -- 9.8 8.3 65 6.1 NE 15
Munglinup West 12:00 am 10.7 -- 8.4 5.6 65 4.0 NE 20
Newdegate Research Stn 12:00 am 6.0 -- 5.3 3.9 85 4.0 ESE 4
Rocky Gully South 12:00 am 7.9 -- 7.4 5.8 90 6.5 N 7
Salmon Gums Research Stn 12:00 am 9.7 -- 7.3 7.0 60 2.6 NE 6
Wandering 12:00 am 4.4      *      NNW 7
North West Islands
Christmas Island 12:00 am 24.8 -- 22.8 26.0 80 20.7 ESE 15
Cocos Is 12:00 am 27.6 -- 25.5 27.8 80 23.5 ESE 28

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).