condition mean min max 4 h after light 698.6140419999999 641.901747 755.326337 8 h after light 503.770474 502.277835 505.263113 12 h after light 633.208715 488.560475 777.856955 4 h after dark 663.027967 662.239947 663.815987 8 h after dark 839.2470089999999 748.899327 929.594691 12 h after dark 948.848174 948.848174 948.848174