condition mean min max 0 h after light 0.0439067 0.0 0.0878134 2 h after light 0.0 0.0 0.0 4 h after light 0.0446125 0.0 0.089225 8 h after light 0.1358599 0.0903438 0.181376 12 h after light 0.0 0.0 0.0 2 h after dark 0.09434875 0.0904053 0.0982922 4 h after dark 0.0 0.0 0.0 8 h after dark 0.04938495 0.0 0.0987699 12 h after dark 0.0450744 0.0 0.0901488