condition mean min max 3 h after light 12.2866 10.313 13.8032 6 h after light 14.737966666666667 13.6348 16.8373 9 h after light 24.709 15.6026 31.4488 12 h after light 59.46315 39.5756 84.4572 3 h after dark 207.40966666666665 168.705 245.259 6 h after dark 148.306 138.81 155.784 9 h after dark 137.48166666666668 114.241 165.184 12 h after dark 90.9944 69.7678 112.221