04-03-2010, 01:09 PM | #1 |
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Outside temps + UVB today
just as a matter of interest I took some temps and UVB reading today at lunchtime.
Temp on the ground on a piece of light coloured slate was 29.7c at 12.45pm UVB read at 12.41pm was 76. noon is the highest reading and it drops away quite quickly as time passes. I tried the Solarmeter through last year's Aldi plastic coldframe and the reading was 006 at a time when the direct sun reading was 65. I also tested it through a clear plastic storage box and surprisingly it gave a reading of 40 when direct reading from the sun was 61 so two thirds of the UVB is passing through it. Sun today was full, no clouds |
04-03-2010, 01:40 PM | #2 |
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Can't believe how high it was on the slate Alan, was this in the open air? I've had temps of about 30 in the greenhouse this week but don't know about outside...
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04-03-2010, 04:44 PM | #3 |
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yes open air out in their outdoor enclosure. there was no wind at all but it is the sun temp that matters really
The sun hitting that thermometer would be the same as it hitting a tort's shell, it would still be around 29c. If they moved out the sun it would be freezing though Last edited by Alan1; 04-03-2010 at 04:48 PM. |
04-03-2010, 05:12 PM | #4 |
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UVB reading at 12.41 was 76 quote, i guess that's a low reading.
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04-03-2010, 08:15 PM | #5 | |
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Quote:
it would be interesting to see what difference there was between a reading from me at 12 noon and a reading from kirkie at the same time in same conditions, same day. we are 360 miles apart |
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04-03-2010, 08:22 PM | #6 | |
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Quote:
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04-03-2010, 08:36 PM | #7 |
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that would be a good idea bindi.
as you can see from this chart that I got a while back from uv guide, the 76 today was better than a dull day in june 2005 |
04-03-2010, 08:46 PM | #8 |
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Loving the chart, great info but it's making my eyes go fuzzy
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04-03-2010, 08:50 PM | #9 |
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oh sorry, wrong picture, that is my tent instructions
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04-03-2010, 09:02 PM | #10 |
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