condition mean min max 0 h after light 0.9028959999999999 0.552452 1.25334 4 h after light 2.009395 1.99221 2.02658 8 h after light 3.12175 2.92636 3.31714 4 h after dark 3.751095 2.90501 4.59718 8 h after dark 2.4293750000000003 2.38999 2.46876 12 h after dark 1.8524000000000003 1.45192 2.25288