condition mean min max 4 h after light 0.0427555 0.0 0.0683319 8 h after light 0.028014566666666664 0.0 0.0708684 12 h after light 0.0 0.0 0.0 4 h after dark 0.0371424 0.0 0.0770861 8 h after dark 0.0 0.0 0.0 12 h after dark 0.022578933333333332 0.0 0.0677368