Thermal Comfort Observations

WBGT and Apparent Temperature for Western Australia

Issued at 9.42 pm (WST) Wednesday 21 April 2021
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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 09:30 pm 24.9 -- 19.1 25.0 45 11.5 SSW 2
Barrow Island 09:30 pm 25.3      *      WSW 15
Broome 09:30 pm 26.9 -- 23.1 28.9 60 19.1 S 7
Curtin 09:30 pm 25.2 -- 17.9 22.0 30 6.9 SE 13
Derby Airport 09:30 pm 22.9 -- 18.9 21.7 55 13.9 S 13
Fitzroy Crossing 09:30 pm 24.8 -- 17.1 21.1 25 4.5 SSE 13
Halls Creek 09:30 pm 26.0 -- 17.5 22.2 25 3.9 S 13
Kalumburu 09:30 pm 23.1 -- 21.7 26.9 85 20.2   Calm
Karijini North 09:30 pm 25.4 -- 17.2 21.2 25 4.0 SE 15
Karratha Airport 09:30 pm 25.1 -- 21.4 25.4 60 17.1 SW 11
Kununurra Airport 09:30 pm 21.7 -- 20.0 24.6 80 18.1   Calm
Learmonth 09:30 pm 25.0 -- 22.6 28.7 75 20.0   Calm
Newman 09:30 pm 18.2 -- 14.3 17.1 55 8.5 E 4
Onslow 09:30 pm 25.0 -- 22.9 27.3 75 20.7 WSW 9
Port Hedland 09:30 pm 23.7 -- 21.1 24.8 70 18.1 SSW 9
Roebourne Airport 09:30 pm 23.5 -- 19.5 23.2 55 14.5 WSW 9
Telfer 09:30 pm 23.4 -- 15.4 18.4 25 1.1 SSE 17
Troughton Island 09:30 pm 29.2 -- 25.3 32.3 65 21.4 N 7
Wyndham 09:30 pm 25.4 -- 19.6 26.0 45 11.9   Calm
Yampi Sound (Defence) 09:30 pm 20.3 -- 18.4 22.3 75 16.1   Calm
Gascoyne, Interior, Goldfields and Eucla
Carnarvon 09:30 pm 23.0 -- 20.5 22.5 70 17.7 S 17
Eucla 09:30 pm 14.9 -- 14.2 14.6 90 13.3 W 7
Forrest 09:30 pm 12.8 -- 12.3 11.6 90 11.5 S 9
Giles 09:30 pm 16.3 -- 10.5 12.4 30 -1.5 E 9
Kalgoorlie Boulder Airport 09:30 pm 16.1 -- 12.0 12.9 50 5.1 SSE 11
Laverton 09:30 pm 21.0 -- 14.7 16.5 35 4.1 SE 17
Leonora Airport 09:30 pm 21.1 -- 15.1 16.3 35 5.5 SE 20
Leinster 09:30 pm 20.2 -- 13.6 15.6 30 1.6 ESE 15
Meekatharra 09:30 pm 22.5 -- 14.3 17.4 20 -1.6 SSE 15
Mount Magnet 09:30 pm 22.1 -- 14.8 17.1 25 1.7 SSE 17
Norseman 09:30 pm 15.0 -- 12.7 12.0 70 9.1 SSE 15
Paraburdoo 09:30 pm 22.2 -- 15.8 19.5 35 5.6 E 9
Shark Bay 09:30 pm 22.7 -- 20.6 22.4 75 18.3 S 17
Southern Cross Airport 09:30 pm 14.8 -- 11.6 11.4 55 6.1 ESE 13
Warburton 09:30 pm 18.2 -- 11.7 13.9 25 -1.6 ESE 11
Central and Lower West
Badgingarra 09:30 pm 18.7 -- 14.4 15.0 50 7.8 ESE 17
Bickley 09:30 pm 16.2 -- 12.3 11.6 50 5.8 ESE 19
Dwellingup Forestry 09:30 pm 12.3 -- 10.9 8.8 80 8.6 ESE 17
Garden Island 09:30 pm 18.1 -- 15.1 16.3 60 10.7 ESE 11
Geraldton Airport 09:30 pm 17.9 -- 16.9 18.1 85 15.7 SE 9
Gingin Airport 09:30 pm 14.2 -- 11.5 11.8 60 6.8 ESE 9
Jandakot Airport 09:30 pm 14.8 -- 12.8 13.1 70 9.8 SE 9
Lancelin (Defence) 09:30 pm 15.8 -- 14.9 15.9 90 13.8 SE 6
Mandurah 09:30 pm 18.7 -- 15.1 15.8 55 9.8 SE 15
Millendon (Swan Valley) 09:30 pm 15.9 -- 13.2 15.3 65 8.9 SSE 2
Morawa 09:30 pm 19.7 -- 15.1 16.4 45 8.1 SE 15
North Island 09:30 pm 22.7 -- 20.7 19.1 75 18.5 SE 35
Pearce 09:30 pm 19.4 -- 14.6 17.0 45 6.8 ENE 9
Perth Airport 09:30 pm 14.7 -- 12.2 12.5 65 8.0 ESE 9
Perth Metro 09:30 pm 15.8 -- 13.2 15.6 65 9.2   Calm
Rottnest Island 09:30 pm 20.4 -- 16.3 17.4 55 10.5 SE 17
Swanbourne 09:30 pm 18.1 -- 15.1 17.0 60 10.7 ESE 7
South West
Bridgetown 09:30 pm 11.9 -- 11.8 12.4 100 11.6   Calm
Bunbury 09:30 pm 15.9 -- 14.6 14.7 80 12.8 SE 11
Busselton Airport 09:30 pm 14.9 -- 13.9 12.5 85 12.6 ESE 17
Cape Leeuwin 09:30 pm 18.1 -- 15.9 14.4 70 12.8 SE 24
Cape Naturaliste 09:30 pm 14.5 -- 13.4 9.7 85 11.7 SE 28
Collie East 09:30 pm 15.6 -- 14.0 14.8 80 11.8 ESE 7
Manjimup 09:30 pm 12.4 -- 12.0 11.5 95 11.5 SE 7
Shannon 09:30 pm 11.4 -- 11.2 11.3 95 10.9 S 2
Walpole 09:30 pm 13.6 -- 12.9 13.8 90 11.8 NE 2
Witchcliffe 09:30 pm 13.5 -- 12.7 14.0 90 11.6   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 09:30 pm 14.7 -- 13.5 13.9 80 11.7 SSE 7
Cunderdin Airfield 09:30 pm 17.1 -- 12.9 13.7 50 6.0 ESE 13
Dalwallinu 09:30 pm 15.6 -- 12.9 12.4 65 8.6 SE 15
Esperance 09:30 pm 16.4 -- 14.9 15.9 80 12.8 S 7
Esperance Airport 09:30 pm 15.0 -- 14.5 14.9 95 13.9 SSE 7
Hopetoun North 09:30 pm 17.5      *      S 13
Jacup 09:30 pm 13.3 -- 12.9 12.7 95 12.4 SSE 7
Katanning 09:30 pm 13.7 -- 12.3 11.0 80 10.3 SE 15
Lake Grace 09:30 pm 15.5 -- 14.1 13.7 80 12.1 ESE 13
Munglinup West 09:30 pm 14.5 -- 14.2 14.3 95 13.7 S 7
Newdegate Research Stn 09:30 pm 15.2 -- 13.6 12.8 80 11.4 ESE 15
Rocky Gully South 09:30 pm 11.6 -- 10.8 11.5 85 9.5   Calm
Salmon Gums Research Stn 09:30 pm 9.3 -- 8.3 7.7 80 6.4 S 4
Wandering 09:30 pm 14.7 -- 12.8 12.3 75 9.9 SSE 13
North West Islands
Christmas Island 09:30 pm 25.9 -- 24.0 27.1 80 22.2 ESE 19
Cocos Is 09:30 pm 27.9 -- 25.9 31.0 80 24.1 ESE 15

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).