condition mean min max 0 h after light 30.6505 29.4171 31.8839 4 h after light 45.7064 39.3529 52.0599 8 h after light 28.21935 26.6859 29.7528 4 h after dark 42.3472 37.6542 47.0402 8 h after dark 42.1415 37.6045 46.6785 12 h after dark 34.741550000000004 33.4135 36.0696