condition mean min max 4 h after light 150.1895 136.685 163.694 8 h after light 141.16250000000002 139.973 142.352 12 h after light 153.3105 147.253 159.368 4 h after dark 179.11666666666667 165.505 196.639 8 h after dark 207.70333333333332 200.398 214.539 12 h after dark 181.811 162.19 204.029