condition mean min max 4 h after light 0.02098555 0.0 0.0419711 8 h after light 0.03325775 0.0 0.0665155 12 h after light 0.0 0.0 0.0 4 h after dark 0.018235633333333334 0.0 0.0547069 8 h after dark 0.037857 0.0 0.113571 12 h after dark 0.0298081 0.0 0.0667684