condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.02363346666666667 0.0 0.0709004 12 h after light 0.006436433333333334 0.0 0.0193093 4 h after dark 0.0 0.0 0.0 8 h after dark 0.07899433333333333 0.0 0.132127 12 h after dark 0.0813697 0.0 0.178353