condition mean min max 4 h after light 503.215723 364.868156 641.56329 8 h after light 541.2743049999999 466.993075 615.555535 12 h after light 469.50985349999996 405.593805 533.425902 4 h after dark 282.274721 194.383564 370.165878 8 h after dark 284.462826 271.232057 297.693595 12 h after dark 207.616672 207.616672 207.616672