Thermal Comfort Observations

WBGT and Apparent Temperature for Western Australia

Issued at 1.32 am (WST) Saturday 04 April 2020
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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 01:30 am 29.4 -- 25.7 34.2 65 22.1   Calm
Barrow Island 01:30 am 27.5 -- 24.9 26.7 75 22.4 SW 30
Broome 01:30 am 29.2 -- 27.2 33.4 80 25.4 WNW 13
Curtin 01:30 am 25.6 -- 23.5 28.3 75 21.3 NW 9
Derby Airport 01:30 am 27.0 -- 25.5 31.2 85 24.1 W 9
Fitzroy Crossing 01:30 am 28.1 -- 25.5 31.3 75 23.0 WNW 11
Halls Creek 01:30 am 23.5 -- 19.9 24.1 60 15.8 SW 7
Kalumburu 01:30 am 27.2 -- 26.3 33.9 90 25.4   Calm
Karijini North 01:30 am 28.4 -- 19.0 24.7 20 4.6 SE 13
Karratha Airport 01:30 am 28.3 -- 23.9 29.6 60 19.2 W 11
Kununurra Airport 01:30 am 27.7 -- 26.3 33.5 85 25.1 N 4
Learmonth 01:30 am 23.7 -- 19.0 20.8 50 13.0 SSW 20
Newman 01:30 am 24.1 -- 16.9 19.9 30 5.9 ESE 17
Onslow 01:30 am 26.4 -- 20.9 23.6 45 14.2 SSW 22
Port Hedland 01:30 am 24.8 -- 22.2 26.9 70 19.4 S 7
Roebourne Airport 01:30 am 24.6 -- 22.0 26.2 70 19.2 SSW 9
Telfer 01:30 am 27.6 -- 19.6 21.9 30 8.5 SE 28
Troughton Island 01:30 am 30.0 -- 28.2 33.9 80 26.6 W 19
Wyndham 01:30 am 30.4 -- 26.8 33.0 65 23.3 W 15
Yampi Sound (Defence) 01:30 am 27.9 -- 26.5 34.5 85 25.3   Calm
Gascoyne, Interior, Goldfields and Eucla
Carnarvon 01:30 am 22.3 -- 20.6 21.2 80 18.7 S 22
Eucla 01:30 am 16.0 -- 13.3 12.6 65 9.2 SW 17
Forrest 01:30 am 12.5 -- 10.3 9.6 65 6.5 WSW 11
Giles 01:30 am 19.0 -- 13.0 11.7 35 2.3 SSE 30
Kalgoorlie Boulder Airport 01:30 am 12.3 -- 9.6 7.9 60 4.8 SE 17
Laverton 01:30 am 15.1 -- 10.6 11.4 40 2.3 NE 11
Leonora Airport 01:30 am 14.4 -- 10.3 11.1 45 2.6 SE 9
Leinster 01:30 am 15.3 -- 10.5 11.4 40 1.1 ESE 11
Meekatharra 01:30 am 19.4 -- 13.0 13.5 30 1.4 ESE 22
Mount Magnet 01:30 am 19.5 -- 12.9 13.4 30 0.5 E 22
Norseman 01:30 am 7.1 -- 5.8 4.3 75 3.2 S 7
Paraburdoo 01:30 am 27.1 -- 17.9 21.4 20 2.9 E 22
Shark Bay 01:30 am 20.6 -- 18.9 20.1 80 16.8 S 15
Southern Cross Airport 01:30 am 11.7 -- 9.3 6.9 65 4.9 ESE 19
Warburton 01:30 am 16.9 -- 12.3 11.1 45 4.3 SE 24
Central and Lower West
Badgingarra 01:30 am 15.6 -- 11.1 10.4 40 2.7 ESE 19
Bickley 01:30 am 11.8 -- 9.2 5.6 60 4.5 E 26
Dwellingup Forestry 01:30 am 11.3 -- 9.0 6.9 65 4.7 ESE 17
Garden Island 01:30 am 15.8 -- 12.6 11.0 55 7.3 ESE 22
Geraldton Airport 01:30 am 18.4 -- 13.0 15.6 35 3.1 SSE 7
Gingin Airport 01:30 am 12.0 -- 9.4 7.9 60 4.5 SE 15
Jandakot Airport 01:30 am 15.0 -- 11.6 9.5 55 5.8 ESE 24
Lancelin (Defence) 01:30 am 13.9 -- 11.4 12.1 65 7.2 ESE 6
Mandurah 01:30 am 15.1 -- 11.8 11.0 55 6.1 ESE 17
Millendon (Swan Valley) 01:30 am 15.9 -- 11.8 13.3 45 4.3 S 7
Morawa 01:30 am 15.6 -- 10.8 12.1 40 1.4 E 9
North Island 01:00 am 22.1 -- 19.0 17.7 65 15.2 SE 32
Pearce 01:30 am 16.5 -- 12.0 12.3 45 3.9 E 15
Perth Airport 01:30 am 15.6 -- 11.7 9.5 50 4.6 E 26
Perth Metro 01:30 am 15.7 -- 11.8 12.1 50 5.0 E 13
Rottnest Island 01:30 am 16.8 -- 13.0 11.8 50 6.6 ESE 22
Swanbourne 01:30 am 15.8 -- 12.0 11.9 50 5.4 ESE 15
South West
Bridgetown 01:30 am        *        Calm
Bunbury 01:30 am 13.1 -- 10.5 8.9 60 5.8 ESE 17
Busselton Airport 01:30 am 11.4 -- 9.3 7.2 65 5.5 ESE 17
Cape Leeuwin 01:30 am 15.3 -- 13.0 8.9 70 9.4 E 33
Cape Naturaliste 01:30 am 11.3 -- 9.3 4.6 70 5.8 ESE 30
Collie East 01:30 am 7.0 -- 6.0 5.7 80 4.0   Calm
Manjimup 01:00 am 9.0 -- 7.7 5.9 80 5.4 ESE 11
Shannon 01:00 am 7.8 -- 7.4 5.7 90 6.6 SE 7
Walpole 01:30 am 12.1 -- 10.9 11.2 80 9.1 SE 4
Witchcliffe 01:30 am 9.6 -- 8.4 7.4 80 6.1 E 7
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 01:30 am 13.3 -- 11.7 11.4 75 9.2 N 9
Cunderdin Airfield 01:30 am 13.4 -- 10.3 9.0 55 4.6 ESE 17
Dalwallinu 01:00 am 11.5 -- 8.7 7.6 55 3.3 ESE 13
Esperance 01:30 am 16.0 -- 12.8 13.8 60 7.7 WSW 9
Esperance Airport 01:30 am 14.6 -- 11.9 12.0 65 7.6 SSW 11
Hopetoun North 01:30 am 16.1 -- 12.8 13.8 55 7.3 S 9
Jacup 01:30 am 12.9 -- 10.3 10.2 60 5.8 SSE 9
Katanning 01:30 am 7.9 -- 6.3 5.1 70 3.2 SSE 7
Lake Grace 01:30 am 8.5 -- 7.1 6.1 75 4.3 SSE 6
Munglinup West 01:30 am 13.6 -- 11.4 13.1 70 7.8   Calm
Newdegate Research Stn 01:30 am 4.5 -- 3.5 1.4 80 1.4 SSE 7
Rocky Gully South 01:30 am 6.3 -- 5.5 5.0 85 4.0   Calm
Salmon Gums Research Stn 01:30 am 13.9 -- 11.0 11.8 60 6.0 SSW 6
Wandering 01:00 am 12.0 -- 9.6 8.4 65 5.2 SSE 13
North West Islands
Christmas Island 01:30 am 25.0 -- 24.6 29.9 95 24.3 NNW 6
Cocos Is 01:30 am 26.9 -- 25.6 31.8 85 24.4 NNW 6

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).