condition mean min max 0 h after light 841.145 799.76 882.53 4 h after light 302.5415 287.852 317.231 8 h after light 89.44274999999999 82.6985 96.187 4 h after dark 120.43100000000001 107.08 133.782 8 h after dark 371.684 363.958 379.41 12 h after dark 746.7665 623.681 869.852