condition mean min max 4 h after light 5.235155 3.56717 6.90314 8 h after light 3.15437 1.88428 4.42446 12 h after light 9.82399 6.00678 13.6412 4 h after dark 11.56786 4.32085 25.9707 8 h after dark 5.9226366666666665 0.0 11.4656 12 h after dark 6.410186666666666 0.0 10.9325