condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.09607703333333334 0.0403027 0.177575 12 h after light 0.0684323 0.058796 0.0854871 3 h after dark 0.040265666666666665 0.0 0.120797 6 h after dark 0.0 0.0 0.0 9 h after dark 0.033160133333333335 0.0 0.0994804 12 h after dark 0.0 0.0 0.0