condition mean min max 4 h after light 13.1121 12.7921 13.4321 8 h after light 593.4739999999999 587.206 599.742 12 h after light 1551.52 1436.35 1666.69 4 h after dark 379.7545 321.327 438.182 8 h after dark 63.59825 61.6512 65.5453 12 h after dark 24.33215 23.7722 24.8921