Thermal Comfort Observations

WBGT and Apparent Temperature for Western Australia

Issued at 10.12 pm (WST) Sunday 21 April 2019
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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 10:00 pm 31.7 -- 23.3 31.3 30 13.0 E 7
Barrow Island 10:00 pm 22.5 -- 19.7 24.6 70 16.3   Calm
Broome 10:00 pm 30.8 -- 23.3 28.9 35 14.3 S 17
Curtin 10:00 pm 26.0 -- 23.0 28.5 70 19.9 WNW 6
Derby Airport          *         
Fitzroy Crossing 10:00 pm 29.9 -- 22.0 28.8 35 11.9 SSE 9
Halls Creek 10:00 pm 27.7 -- 19.1 25.2 25 6.5 E 9
Kalumburu 10:00 pm 23.7 -- 22.2 26.6 85 20.6 NE 6
Karijini North 10:00 pm 19.4 -- 11.6 15.9 15 -6.2 NE 4
Karratha Airport 10:00 pm 24.3 -- 17.0 20.7 30 5.1 ESE 13
Kununurra Airport 10:00 pm 24.5 -- 21.9 27.8 70 19.1   Calm
Learmonth 10:00 pm 18.0 -- 15.0 15.0 60 10.6 SW 17
Newman 10:00 pm 17.8 -- 10.5 13.3 20 -6.8 ESE 9
Onslow 10:00 pm 21.5 -- 18.2 20.3 60 13.9 SSE 13
Port Hedland 10:00 pm 21.2 -- 16.0 18.3 45 8.1 SSE 13
Roebourne Airport 10:00 pm 22.4 -- 15.5 17.8 30 3.5 SE 17
Telfer 10:00 pm 21.0 -- 13.2 13.3 20 -2.8 SE 28
Troughton Island 10:00 pm 29.0 -- 25.6 32.7 65 22.2 SE 6
Wyndham 10:00 pm 27.6 -- 23.2 30.5 55 18.3   Calm
Yampi Sound (Defence) 10:00 pm 25.5 -- 24.7 31.3 90 23.9   Calm
Gascoyne, Interior, Goldfields and Eucla
Carnarvon 10:00 pm 15.9 -- 11.2 11.4 40 2.3 SSE 15
Eucla 10:00 pm 14.9 -- 12.1 11.5 60 7.5 SSE 15
Forrest 10:00 pm 9.5 -- 8.5 6.6 80 6.6 S 11
Giles 10:00 pm 15.1 -- 8.4 8.3 20 -9.3 SSE 20
Kalgoorlie Boulder Airport 10:00 pm 15.4 -- 10.9 10.2 40 2.6 ENE 19
Laverton 10:00 pm 13.5 -- 9.6 8.6 45 2.1 ESE 17
Leonora Airport 10:00 pm 14.7 -- 10.2 10.1 40 1.3 E 15
Leinster 10:00 pm 12.3 -- 8.8 8.9 50 1.9 ESE 9
Meekatharra 10:00 pm 15.2 -- 9.9 9.9 35 -0.9 ESE 17
Mount Magnet 10:00 pm 15.1 -- 10.3 10.8 40 0.9 E 13
Norseman 10:00 pm 13.7 -- 10.6 10.9 55 5.1 ESE 9
Paraburdoo 10:00 pm 22.3 -- 13.4 15.9 15 -6.5 E 19
Shark Bay 10:00 pm 17.0 -- 12.7 12.7 45 5.3 ESE 17
Southern Cross Airport 10:00 pm 14.0 -- 9.8 9.4 45 1.6 E 15
Warburton 10:00 pm 15.1 -- 10.1 9.5 35 0.2 SE 19
Central and Lower West
Badgingarra 10:00 pm 15.4 -- 10.4 9.9 35 0.4 E 19
Bickley 10:00 pm 11.2 -- 8.1 6.7 55 2.0 E 15
Dwellingup Forestry 10:00 pm 8.9 -- 8.2 5.7 90 7.0 SE 13
Garden Island 10:00 pm 15.7 -- 13.8 12.3 75 11.1 SSE 20
Geraldton Airport 10:00 pm 12.0 -- 7.7 7.2 35 -2.2 ESE 13
Gingin Airport 10:00 pm 10.8 -- 9.4 8.8 80 7.1 SSE 7
Jandakot Airport 10:00 pm 10.5 -- 9.8 8.9 90 8.6 SSE 7
Lancelin (Defence) 10:00 pm 14.3 -- 10.6 11.2 50 3.5 E 9
Mandurah 10:00 pm 15.0 -- 12.9 12.9 70 9.6 SSE 11
Millendon (Swan Valley) 10:00 pm 10.4 -- 9.4 9.8 85 7.6   Calm
Morawa 10:00 pm 14.3 -- 9.6 11.0 35 -0.2 E 7
North Island 10:00 pm 21.7 -- 15.9 15.3 40 6.8 E 30
Pearce 10:00 pm 11.8 -- 9.9 11.0 70 6.7   Calm
Perth Airport 10:00 pm 9.8 -- 9.3 8.3 90 8.4 S 6
Perth Metro 10:00 pm 13.0 -- 11.6 12.9 80 9.3   Calm
Rottnest Island 10:00 pm 16.8 -- 14.3 12.5 65 10.6 SE 24
Swanbourne 10:00 pm 13.8 -- 12.1 12.0 75 9.5 ESE 9
South West
Bridgetown 10:00 pm 6.8 -- 6.3 5.8 90 5.4   Calm
Bunbury 10:00 pm 7.7 -- 7.5 7.0 95 7.0   Calm
Busselton Airport 10:00 pm 8.4 -- 7.2 5.9 80 5.0 ESE 7
Cape Leeuwin 10:00 pm 14.1 -- 12.4 12.4 75 9.8 N 9
Cape Naturaliste 10:00 pm 12.6 -- 11.0 9.7 75 8.3 S 13
Collie East 10:00 pm 7.0 -- 6.3 5.9 85 5.0   Calm
Manjimup 10:00 pm 10.7 -- 10.3 9.4 95 9.8 S 7
Shannon 10:00 pm 9.0      *      N 6
Walpole 10:00 pm 11.0 -- 10.9 11.3 100 10.8   Calm
Witchcliffe 10:00 pm 8.9 -- 8.7 8.5 95 8.3   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          *         
Cunderdin Airfield 10:00 pm 10.1 -- 7.4 7.1 55 2.0 E 7
Dalwallinu 10:00 pm 10.9 -- 7.4 6.4 45 0.0 ESE 13
Esperance 10:00 pm 11.7 -- 11.0 10.4 90 9.9 N 7
Esperance Airport 10:00 pm 12.4 -- 11.4 11.1 85 9.8 ENE 7
Hopetoun North 10:00 pm 11.1 -- 10.0 9.3 80 8.1 NNE 7
Jacup 10:00 pm 9.7 -- 8.2 7.0 75 5.5 SSE 9
Katanning 10:00 pm 11.9 -- 7.7 9.7 40 -1.6   Calm
Lake Grace 10:00 pm 11.3 -- 7.6 8.1 45 -0.5 SSE 6
Munglinup West 10:00 pm 11.5 -- 10.8 8.6 90 9.6 ENE 15
Newdegate Research Stn 10:00 pm 9.1 -- 6.1 6.3 50 -0.5 E 4
Rocky Gully South 10:00 pm 10.9 -- 10.1 10.3 85 8.8 ESE 2
Salmon Gums Research Stn 10:00 pm 9.7 -- 8.6 7.8 80 6.6 ENE 6
Wandering 10:00 pm 6.7 -- 5.9 4.3 85 4.2 NNW 6
North West Islands
Christmas Island 10:11 pm 25.0 -- 24.7 27.9 95 24.5 ESE 17
Cocos Is 10:00 pm 27.0 -- 25.9 26.0 90 24.9 E 39

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).

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).