condition mean min max 0 h after light 2.341935 1.72552 2.95835 2 h after light 0.5110764999999999 0.448152 0.574001 4 h after light 2.529445 1.94199 3.1169 8 h after light 9.155999999999999 8.84403 9.46797 12 h after light 2.258375 2.18234 2.33441 2 h after dark 3.101375 2.69757 3.50518 4 h after dark 3.729075 3.37832 4.07983 8 h after dark 3.27334 2.8034 3.74328 12 h after dark 1.734525 1.50081 1.96824