condition mean min max 4 h after light 0.4911766666666667 0.208336 0.769167 8 h after light 0.23409970000000002 0.0786041 0.442348 12 h after light 0.300504 0.158495 0.461809 4 h after dark 0.8185363333333333 0.607619 0.947141 8 h after dark 0.9592443333333334 0.692933 1.10769 12 h after dark 0.717078 0.425742 0.918884