Good idea! It actually could be sunlight. The time (late afternoon) would fit. And yes, August 3 was a day without much sun. So was Aug 7, where the effect was also less pronounced.
Today will be a sunny day, so I'll move the Meteostick a bit into the shadow and see what happens. Am Freitag, 9. August 2019 07:40:22 UTC+2 schrieb Michi Kaa: > > > > Am Freitag, 9. August 2019 07:35:46 UTC+2 schrieb Michi Kaa: >> >> Where is the Barometer located? Indoor? Since temperature and humidity >> influence measurement of pressure, it is possible that the measurement is >> just wrong just because you are opening a window for ventilating the house >> or when the barometer sensor is hit by direct sunlight during the day and >> is warmed up. >> > > The fact this happens repeatedly more or less the same time during the day > lets me think its sunlight. How was weather on Aug 3 in Belchertown? > Overcast? > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/40f26db1-f016-44cf-9b18-77608fcd7a3d%40googlegroups.com.
