condition mean min max 0 h after light 4.773295 3.34051 6.20608 2 h after light 5.038085 3.10856 6.96761 4 h after light 10.868395 9.12509 12.6117 8 h after light 1.59623 0.0 3.19246 12 h after light 17.56658 7.08416 28.049 2 h after dark 14.654525 6.94665 22.3624 4 h after dark 21.0462 9.2857 32.8067 8 h after dark 13.587605 6.98041 20.1948 12 h after dark 12.932395 9.93699 15.9278