condition mean min max 0 h after light 15.0554 12.7959 17.3149 2 h after light 5.89997 5.64857 6.15137 4 h after light 5.85586 5.55307 6.15865 8 h after light 6.4713 5.93233 7.01027 12 h after light 7.019575 6.8038 7.23535 2 h after dark 9.105995 8.91298 9.29901 4 h after dark 11.631599999999999 11.4597 11.8035 8 h after dark 17.1573 16.7585 17.5561 12 h after dark 15.5043 13.2361 17.7725