condition mean min max 0 h after light 37.882099999999994 37.5834 38.1808 4 h after light 45.21835 44.857 45.5797 8 h after light 41.215999999999994 40.7617 41.6703 4 h after dark 47.096199999999996 45.7566 48.4358 8 h after dark 41.56515 38.8165 44.3138 12 h after dark 36.803349999999995 35.7709 37.8358