condition mean min max 0 h after light 5.239504999999999 5.18082 5.29819 4 h after light 4.3296399999999995 4.15025 4.50903 8 h after light 4.929645000000001 4.80527 5.05402 4 h after dark 6.0539950000000005 5.95972 6.14827 8 h after dark 5.28252 4.93107 5.63397 12 h after dark 5.057745 4.52713 5.58836