condition mean min max 0 h after light 6.07392 5.7662 6.38164 4 h after light 4.753220000000001 4.30858 5.19786 8 h after light 4.204225 3.40998 4.99847 4 h after dark 7.943849999999999 7.85143 8.03627 8 h after dark 9.50235 8.9448 10.0599 12 h after dark 4.828415 4.72101 4.93582