condition mean min max 0 h after light 2.27834 1.73548 2.8212 2 h after light 2.34244 2.26241 2.42247 4 h after light 3.437465 2.37036 4.50457 8 h after light 2.494955 1.24392 3.74599 12 h after light 9.9456 9.31 10.5812 2 h after dark 13.73975 10.788 16.6915 4 h after dark 7.104385000000001 6.97252 7.23625 8 h after dark 4.88143 4.07982 5.68304 12 h after dark 3.79781 3.72372 3.8719