condition mean min max 0 h after light 0.8025 0.43716 1.16784 4 h after light 0.9554940000000001 0.574688 1.3363 8 h after light 1.7570999999999999 1.58585 1.92835 4 h after dark 0.9325145 0.715579 1.14945 8 h after dark 1.368245 1.15781 1.57868 12 h after dark 1.154684 0.854128 1.45524