condition mean min max 0 h after light 18.5255 14.4578 22.5932 2 h after light 10.035070000000001 7.24174 12.8284 4 h after light 7.926355000000001 7.08598 8.76673 8 h after light 7.56858 6.02059 9.11657 12 h after light 11.562100000000001 11.1797 11.9445 2 h after dark 12.026150000000001 11.5235 12.5288 4 h after dark 15.3828 13.9562 16.8094 8 h after dark 21.8829 21.5074 22.2584 12 h after dark 19.829549999999998 16.6775 22.9816