condition mean min max 4 h after light 576.0402839999999 532.208385 619.872183 8 h after light 710.261208 638.001288 782.521128 12 h after light 1032.1366905 865.721221 1198.55216 4 h after dark 782.945011 747.187358 818.702664 8 h after dark 958.5475435 894.401492 1022.693595 12 h after dark 655.181805 655.181805 655.181805