condition mean min max 0 h after light 0.0129502 0.0 0.0259004 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.026697449999999998 0.0266467 0.0267482 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0253644 0.0248936 0.0258352 8 h after dark 0.014566 0.0 0.029132 12 h after dark 0.01382365 0.0 0.0276473