condition mean min max 0 h after light 22.7461 22.1473 23.3449 4 h after light 257.921 148.833 367.009 8 h after light 12.12545 11.678 12.5729 4 h after dark 4.315945 1.7927 6.83919 8 h after dark 182.11700000000002 161.555 202.679 12 h after dark 111.6286 65.6842 157.573