condition mean min max 4 h after light 9.8800975 9.368883 10.391312 8 h after light 11.0598285 10.617521 11.502136 12 h after light 10.3397515 9.669714 11.009789 4 h after dark 11.0366335 10.746174 11.327093 8 h after dark 10.002592499999999 9.613873 10.391312 12 h after dark 10.372161 10.372161 10.372161