condition mean min max 4 h after light 1825.0438886666666 1278.543333 2856.165 8 h after light 1241.0744445666667 809.7466667 1501.3 12 h after light 734.8244444333334 596.61 845.1 1.5 h after dark 823.0844443333334 638.3066667 1180.033333 5.5 h after dark 967.231111 808.0166667 1284.053333 9.5 h after dark 869.6 787.82 972.8833333