condition mean min max 4 h after light 936.895037 531.659839 1342.130235 8 h after light 538.404373 463.868454 612.940292 12 h after light 467.59313050000003 232.073326 703.112935 4 h after dark 823.560185 549.001288 1098.119082 8 h after dark 1060.8371955 989.290942 1132.383449 12 h after dark 659.705955 659.705955 659.705955