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fix dropped nighttime values in perez, propagate airmass to perez in ModelChain #192

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Merged
merged 4 commits into from
Jun 14, 2016

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wholmgren
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fixes #172 and #191.

@wholmgren wholmgren added the bug label Jun 13, 2016
@wholmgren wholmgren added this to the 0.3.3 milestone Jun 13, 2016
# var.AM(var.solar_zenith >=90 & var.DHI >0) = 37;

# var.DNI_ET[var.DNI_ET==0] = .00000001 #very hacky, fix this

# delta is the sky's "brightness"
delta = dhi * airmass / dni_extra

# keep only valid times
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the ebin.index changes from here to the end of the function are what really matters in this diff.

@wholmgren wholmgren merged commit 3fb07d4 into pvlib:master Jun 14, 2016
@wholmgren wholmgren deleted the fixampropagation branch June 28, 2016 22:20
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ModelChain does not propagate airmass to perez transposition function
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