condition mean min max 3 h after light 0.0109464 0.0 0.0328392 6 h after light 0.0 0.0 0.0 9 h after light 0.010841366666666666 0.0 0.0170475 12 h after light 0.0164139 0.0 0.0492417 3 h after dark 0.054431066666666666 0.018943 0.0747697 6 h after dark 0.052794400000000005 0.0238866 0.0990015 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0