condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.030257266666666668 0.0124347 0.0392799 4 h after dark 0.0326282 0.0 0.0978846 8 h after dark 0.0108979 0.0 0.0326937 12 h after dark 0.006110866666666667 0.0 0.0183326