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#1
August 15th 09, 10:10 AM
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[OBS] Evershot, WDorset -- Sat 15/08/09
(09:00UTC 15/08/09)
15.5 C Max 19.3 C, min 15.3 C Dewpoint 14.9 C RH 96% Wind 3.9 kts SW 1013.2 hPa steady Ppn (standard gauge) 1.0mm last 24hrs Ppn (standard gauge) 88.0mm this month Ppn (AWS) 1.0mm last 24 hrs Ppn (AWS) 72.2mm this month Sc, damp, muggy, gusty Hugh -- Hugh Newbury www.evershot-weather.org |
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#2
August 15th 09, 10:18 AM
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[OBS] Evershot, WDorset -- Sat 15/08/09
You seem to have an enormous variation between your rain gauge s Hugh ,is
that due to location or the inadequacies of the AWS one ? RonB "Hugh Newbury" wrote in message ... (09:00UTC 15/08/09) 15.5 C Max 19.3 C, min 15.3 C Dewpoint 14.9 C RH 96% Wind 3.9 kts SW 1013.2 hPa steady Ppn (standard gauge) 1.0mm last 24hrs Ppn (standard gauge) 88.0mm this month Ppn (AWS) 1.0mm last 24 hrs Ppn (AWS) 72.2mm this month Sc, damp, muggy, gusty Hugh -- Hugh Newbury www.evershot-weather.org |
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#3
August 15th 09, 10:32 AM
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[OBS] Evershot, WDorset -- Sat 15/08/09
Ron, Hugh's variation is about the same as mine, circa 25% lower in AWS.
Will -- "ronaldbutton" wrote in message ... You seem to have an enormous variation between your rain gauge s Hugh ,is that due to location or the inadequacies of the AWS one ? RonB "Hugh Newbury" wrote in message ... (09:00UTC 15/08/09) 15.5 C Max 19.3 C, min 15.3 C Dewpoint 14.9 C RH 96% Wind 3.9 kts SW 1013.2 hPa steady Ppn (standard gauge) 1.0mm last 24hrs Ppn (standard gauge) 88.0mm this month Ppn (AWS) 1.0mm last 24 hrs Ppn (AWS) 72.2mm this month Sc, damp, muggy, gusty Hugh -- Hugh Newbury www.evershot-weather.org |
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#4
August 15th 09, 11:08 AM
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[OBS] Evershot, WDorset -- Sat 15/08/09
Will Hand wrote:
Ron, Hugh's variation is about the same as mine, circa 25% lower in AWS. Will -- "ronaldbutton" wrote in message ... You seem to have an enormous variation between your rain gauge s Hugh ,is that due to location or the inadequacies of the AWS one ? RonB Will, Thanks for that. I'm glad I'm not alone in finding the AWS quite off. I'm beginning to think it's partly the tipping bucket mechanism, partly the height above the ground, and partly the effect of gusty winds, the latter having much less of an effect on calmer days. I've demonstrated to my own satisfaction, if to no one else's, the possible causes of the differences, and I'm thinking of stopping the daily comparisons at the end of August, when I shall have completed six months worth of data collection on this subject. Of course, if people want me to continue, then I will do so. Hugh -- Hugh Newbury www.evershot-weather.org |
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