condition mean min max 4 h after light 117.7677 114.6664 120.2746 8 h after light 177.5909 135.1039 218.6687 12 h after light 61.7007 44.57328 75.27131 16 h after light 113.49586333333333 85.74209 127.9295 4 h after dark 47.43030666666667 45.50575 48.92542 8 h after dark 75.32126666666667 39.55406 95.98613