condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.038667 0.0 0.116001 12 h after light 0.0 0.0 0.0 4 h after dark 0.037474 0.0 0.112422 8 h after dark 0.031194633333333333 0.0 0.0935839 12 h after dark 0.21340213333333333 0.0 0.592943