condition mean min max 3 h after light 0.07567576666666667 0.0 0.134736 6 h after light 0.05932966666666667 0.0 0.177989 9 h after light 0.0222663 0.0 0.0667989 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.039953999999999996 0.0 0.119862 9 h after dark 0.08085506666666667 0.0 0.152887 12 h after dark 0.0 0.0 0.0