condition mean min max 3 h after light 998.9490000000001 934.691 1081.65 6 h after light 752.8293333333334 711.391 793.428 9 h after light 445.5973333333333 399.989 474.799 12 h after light 179.362 144.169 228.59 3 h after dark 154.65566666666666 137.59 169.978 6 h after dark 439.33466666666664 360.651 482.679 9 h after dark 701.3299999999999 624.39 749.834 12 h after dark 1131.32 1106.84 1153.6