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Posted by: Falling_Droplet Offline Posted: Wednesday, 18 September 2019 9:52:21 PM(UTC)
A sunny day and back to low humidity today. This morning the dew point fell and became low and into the afternoon (a low of -19 C). It has since improved though is moderately low after rising sharply at 4:30pm with a wind shift of E to SE direction and eased in the evening. Dry W to SW winds in morning and mostly N to NW in the afternoon. Low relative humidity also which fell to a low of 6% in the afternoon.

Last 24 hours:
hum 2019-09-18.PNGwind dir 2019-09-18.PNGtemp 2019-09-18.PNG

Originally Posted by: crikey Go to Quoted Post


Falling drop. You mention average dew point. I have never been able to find that on BOM climate data. What is our average dew point in your area? Are you Brisbane?



Yeah as far I know that not on the BoM site. But as I don't have a nearby comparable site and as my data isn't directly comparable with any BoM site, being a micro-climate, in a suburban backyard etc., I instead use my station generated average. For dew point I use an average of 2009 to 2015. I'm in Ferny Grove in NW Brisbane.

Monthly mean dew points for Ferny Grove:
Jan: 20.1
Feb: 20.0
Mar: 19.5
Apr: 16.2
May: 12.7
Jun: 11.0
Jul: 9.3
Aug: 9.2
Sep: 11.9
Oct: 14.4
Nov: 17.4
Dec: 18.8
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