condition mean min max 4 h after light 726.9288610000001 609.232057 844.625665 8 h after light 676.8107084999999 645.235514 708.385903 12 h after light 683.901718 654.431976 713.37146 4 h after dark 401.5311325 303.414126 499.648139 8 h after dark 323.5212665 250.385903 396.65663 12 h after dark 645.078211 645.078211 645.078211