condition mean min max 4 h after light 54.776914500000004 50.213541 59.340288 8 h after light 60.177915 54.421459 65.934371 12 h after light 69.703939 63.154457 76.253421 4 h after dark 105.8264245 74.410089 137.24276 8 h after dark 97.3821265 81.473244 113.291009 12 h after dark 76.343543 76.343543 76.343543