condition mean min max 4 h after light 2.750425 2.11297 3.38788 8 h after light 2.7931350000000004 2.60971 2.97656 12 h after light 3.9380200000000003 3.83002 4.04602 4 h after dark 4.6623 4.31192 4.89625 8 h after dark 3.8542199999999998 3.14215 4.39704 12 h after dark 2.7841566666666666 2.24091 3.56287