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September Discussion Thread: Bring the frost; kill the bugs.


moneypitmike
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  On 9/2/2021 at 12:51 PM, Ginx snewx said:

How's everyone's pool? Had the siphon on all night, cover is empty 

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I'll drain later today.  Obviously it won't go any higher than the skimmer, so it's been poring out since that time  This will be I think the 6th time since June that I've had to drain off water.

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  On 9/2/2021 at 4:32 PM, powderfreak said:

Mansfield is 48F and MWN is 37F at noon.

Pretty sure these are the coldest 12pm temps in like months.  I know Mansfield hasn’t been sub-50F in an afternoon since like early June maybe?  July 3rd was 50-52F.

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July 31? I know MWN was mid/upper 30s. Not sure about Mansfield.

edit...looks like Mansfield was warmer into the 50s

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  On 9/2/2021 at 5:07 PM, dendrite said:

July 31? I know MWN was mid/upper 30s. Not sure about Mansfield.

edit...looks like Mansfield was warmer into the 50s

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Yeah I've noticed the MMNV1 station seemed to run a bit warmer in sunshine this summer... afternoon temps seemed sometime to possibly be a tick or two warm, especially in sunshine.  I don't know if the sensor is getting some exposure to sun or rocks warming or something.  Seems fine in precipitation, nighttime and clouds.

Either way, I think this is the coldest it's been in quite a while up there as I mostly remember low/mid 50s on the colder days this summer.

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  On 9/2/2021 at 5:20 PM, powderfreak said:

Yeah I've noticed the MMNV1 station seemed to run a bit warmer in sunshine this summer... afternoon temps seemed sometime to possibly be a tick or two warm, especially in sunshine.  I don't know if the sensor is getting some exposure to sun or rocks warming or something.  Seems fine in precipitation, nighttime and clouds.

Either way, I think this is the coldest it's been in quite a while up there as I mostly remember low/mid 50s on the colder days this summer.

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Some missing data from MADIS and it's tough to get accurate error values from a summit, but it seems it has trended warmer more recently.

mansfield.png

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  On 9/2/2021 at 5:35 PM, dendrite said:

Some missing data from MADIS and it's tough to get accurate error values from a summit, but it seems it has trended warmer more recently.

mansfield.png

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Yeah I believe since the COOP went automated years ago I think it’s always been a tick warmer than the old housed thermometer when the summit was staffed… but this summer there has been a daytime difference between our ski area Gondola top and the summit.  Gondi top is always a few degrees cooler daytime.  Early morning they seem to match but like 12pm-5pm they are different.

If I’m looking at that MADIS correctly, it looks like it runs warmer in the summer and then fixes itself more in the winter.  That’s sort of matches my gut feeling that peak solar it seems to run warm.

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