14-12-2018, 04:05
(14-12-2018, 03:12)41south Wrote: JT
I knew somebody with all the math knowledge would jump in here
When you say measure the the cross section area of the rain collector - do you mean the actual tipping bucket or the opening/funnel?
I think its the opening/funnel, but better will be wait for the answer from JT118, that for sure will come shortly.
(13-12-2018, 15:18)JT118 Wrote: ...
It is unlikely to be 1mm per tip. Most gauges run between FO gauges at .280mm/tip to Davis and a multitude of others at at 0.254 and 0.200 mm per tip depending on the buckets used.
I was also quite surprised by an 1mm resolution, as you said it isn't usual even among low cost rain gauges like FO. I did some research on the Oregon Scientific PCR800 rain gauge and all that I found points to a 1mm resolution. Its strange, but seems to be true.