condition mean min max 0 h after light 49.9156 45.3337 54.4975 4 h after light 35.49125 32.1815 38.801 8 h after light 35.476150000000004 35.0717 35.8806 4 h after dark 38.3676 37.3997 39.3355 8 h after dark 42.127250000000004 37.8205 46.434 12 h after dark 39.52455 28.3435 50.7056