condition mean min max 2 h after light 9.406943333333333 8.54637 10.0639 6 h after light 10.4842 10.1354 10.8197 10 h after light 12.511666666666667 11.832 13.3323 2 h after dark 11.516200000000001 10.5797 12.8229 6 h after dark 11.6497 11.4781 11.8231 10 h after dark 10.26128 9.90064 10.4482