condition mean min max 4 h after light 200.180298 153.590735 246.769861 8 h after light 156.986428 122.279261 191.693595 12 h after light 164.750056 160.729594 168.770518 4 h after dark 263.2683085 204.80747 321.729147 8 h after dark 285.207214 247.211699 323.202729 12 h after dark 299.45966 299.45966 299.45966