condition mean min max 0 h after light 3.7589500000000005 3.46639 4.05151 2 h after light 5.19691 4.16705 6.22677 4 h after light 5.4856549999999995 5.43657 5.53474 8 h after light 5.46042 4.80723 6.11361 12 h after light 8.607185000000001 8.05713 9.15724 2 h after dark 9.65221 9.31207 9.99235 4 h after dark 7.03088 6.94886 7.1129 8 h after dark 5.63767 5.37131 5.90403 12 h after dark 4.9225449999999995 4.86309 4.982