condition mean min max 4 h after light 53.885173333333334 39.875370000000004 65.82179000000001 8 h after light 40.35120333333333 23.00947 55.53816 12 h after light 73.86206333333334 54.41349 94.15033000000001 16 h after light 72.52996333333333 64.01026999999999 79.17283 4 h after dark 46.17356 42.041940000000004 49.44277 8 h after dark 51.29819666666666 45.10802 59.377359999999996