condition mean min max 0 h after light 0.101259 0.0 0.202518 4 h after light 1.42021 1.29555 1.54487 8 h after light 0.5072345 0.500009 0.51446 4 h after dark 0.2984045 0.297816 0.298993 8 h after dark 0.9507595 0.696849 1.20467 12 h after dark 0.3006295 0.197488 0.403771