condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.02566045 0.0 0.0513209 4 h after light 0.05113525 0.0502171 0.0520534 8 h after light 0.0264534 0.0 0.0529068 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.055568 0.0 0.111136 12 h after dark 0.0 0.0 0.0