condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.00888215 0.0 0.0177643 12 h after light 0.005756 0.0 0.011512 4 h after dark 0.0 0.0 0.0 8 h after dark 0.012652866666666667 0.0 0.0379586 12 h after dark 0.007438633333333333 0.0 0.0223159