condition mean min max 4 h after light 12.4310315 10.896986 13.965077 8 h after light 11.513747500000001 10.763948 12.263547 12 h after light 10.550034499999999 9.368883 11.731186 4 h after dark 11.6022605 11.473335 11.731186 8 h after dark 12.8140985 11.731186 13.897011 12 h after dark 11.731186 11.731186 11.731186