condition mean min max 4 h after light 10.87305 10.2939 11.4522 8 h after light 7.192505000000001 6.72257 7.66244 12 h after light 6.93699 6.79607 7.07791 4 h after dark 8.70211 7.93897 9.46525 8 h after dark 10.539349999999999 10.3864 10.6923 12 h after dark 11.47315 10.9316 12.0147