condition mean min max 4 h after light 329.6595 320.587 338.732 8 h after light 263.29949999999997 250.533 276.066 12 h after light 112.0055 108.461 115.55 4 h after dark 68.33116666666666 65.258 70.8456 8 h after dark 63.19156666666667 62.0653 63.9789 12 h after dark 151.47633333333334 135.827 173.042