condition mean min max 0 h after light 0.9327825 0.622595 1.24297 4 h after light 1.629245 1.10295 2.15554 8 h after light 0.68346 0.506108 0.860812 4 h after dark 1.162615 0.85453 1.4707 8 h after dark 0.6763905 0.612087 0.740694 12 h after dark 1.1036565 0.993043 1.21427