condition mean min max 0 h after light 18.34335 14.8462 21.8405 2 h after light 0.6915955 0.652229 0.730962 4 h after light 0.8872454999999999 0.812255 0.962236 8 h after light 1.860395 1.6504 2.07039 12 h after light 1.4349349999999998 1.24837 1.6215 2 h after dark 3.235285 3.18006 3.29051 4 h after dark 4.763764999999999 4.09591 5.43162 8 h after dark 9.508445 9.38683 9.63006 12 h after dark 17.4285 16.3451 18.5119