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#1
December 13th 04, 10:37 PM
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Incident Solar Radiation levels
Anyone running solar radiation sensors out there? (I.e. on a Davis VP+)
If so what are you recent peak readings on sunny winter days? Please report readings, date, latitude, equipment. Thanks. My weather station at www.sbriggs.plus.com/weather/index.htm Cheers -- Steve |
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#2
December 13th 04, 11:04 PM
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Incident Solar Radiation levels
Steve and I have been chatting off list - but here are my readings from a
Davis VP using a BlueWave Solar Sensor I am at 52.42N (Leicestershire) ----------------------------------- Day, Sunshine hours, ET, max solar, max uv ----------------------------------- 01 05.5hrs ,ET :0.0 mm ,366.0 wm/2 ,0.0 uv 02 04.2hrs ,ET :0.0 mm ,318.0 wm/2 ,0.0 uv 03 04.3hrs ,ET :0.1 mm ,465.0 wm/2 ,0.0 uv 04 03.2hrs ,ET :0.0 mm ,260.0 wm/2 ,0.0 uv 05 03.9hrs ,ET :0.0 mm ,310.0 wm/2 ,0.0 uv 06 04.2hrs ,ET :0.0 mm ,318.0 wm/2 ,0.0 uv 07 03.7hrs ,ET :0.0 mm ,512.0 wm/2 ,0.0 uv 08 03.4hrs ,ET :0.0 mm ,324.0 wm/2 ,0.0 uv 09 02.3hrs ,ET :0.0 mm ,289.0 wm/2 ,0.0 uv 10 04.0hrs ,ET :0.1 mm ,297.0 wm/2 ,0.0 uv 11 02.1hrs ,ET :0.0 mm ,139.0 wm/2 ,0.0 uv 12 01.4hrs ,ET :0.0 mm ,106.0 wm/2 ,0.0 uv Cheers Stuart Robinson Mountsorrel Weather http://www.bylink.com "Steven Briggs" wrote in message ... Anyone running solar radiation sensors out there? (I.e. on a Davis VP+) If so what are you recent peak readings on sunny winter days? Please report readings, date, latitude, equipment. Thanks. My weather station at www.sbriggs.plus.com/weather/index.htm Cheers -- Steve |
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#3
December 15th 04, 07:50 PM
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Incident Solar Radiation levels
In message , Stu
writes Steve and I have been chatting off list - but here are my readings from a Davis VP using a BlueWave Solar Sensor I am at 52.42N (Leicestershire) ----------------------------------- Day, Sunshine hours, ET, max solar, max uv ----------------------------------- 01 05.5hrs ,ET :0.0 mm ,366.0 wm/2 ,0.0 uv 02 04.2hrs ,ET :0.0 mm ,318.0 wm/2 ,0.0 uv 03 04.3hrs ,ET :0.1 mm ,465.0 wm/2 ,0.0 uv 04 03.2hrs ,ET :0.0 mm ,260.0 wm/2 ,0.0 uv 05 03.9hrs ,ET :0.0 mm ,310.0 wm/2 ,0.0 uv 06 04.2hrs ,ET :0.0 mm ,318.0 wm/2 ,0.0 uv 07 03.7hrs ,ET :0.0 mm ,512.0 wm/2 ,0.0 uv 08 03.4hrs ,ET :0.0 mm ,324.0 wm/2 ,0.0 uv 09 02.3hrs ,ET :0.0 mm ,289.0 wm/2 ,0.0 uv 10 04.0hrs ,ET :0.1 mm ,297.0 wm/2 ,0.0 uv 11 02.1hrs ,ET :0.0 mm ,139.0 wm/2 ,0.0 uv 12 01.4hrs ,ET :0.0 mm ,106.0 wm/2 ,0.0 uv Cheers Stuart Robinson Mountsorrel Weather http://www.bylink.com "Steven Briggs" wrote in message ... Anyone running solar radiation sensors out there? (I.e. on a Davis VP+) If so what are you recent peak readings on sunny winter days? Please report readings, date, latitude, equipment. Thanks. My weather station at www.sbriggs.plus.com/weather/index.htm Cheers -- Steve The gloom has finally been blown away, and today's high measured as 468w/m2 at 12:00. This is the reason for this post, in that I believe my sensor is significantly over-reading, I was hoping other posters could confirm how close they achieve to the theoretical level of around 311W (at this time of year, location etc). Are other factors, i.e. scattered radiation, a significant source of error? -- Steve |
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