condition mean min max 0 h after light 5.952529999999999 5.55323 6.35183 2 h after light 9.5367 9.22208 9.85132 4 h after light 4.9635 4.93718 4.98982 8 h after light 2.106645 2.03115 2.18214 12 h after light 2.1876499999999997 2.13026 2.24504 2 h after dark 2.000965 1.6278 2.37413 4 h after dark 2.09917 1.89032 2.30802 8 h after dark 4.241675 4.01565 4.4677 12 h after dark 5.99092 5.84544 6.1364