condition mean min max 4 h after light 82.653018 78.340784 86.965252 8 h after light 79.9248025 72.884353 86.965252 12 h after light 72.5815565 64.410613 80.7525 4 h after dark 100.195716 83.910204 116.481228 8 h after dark 108.572534 86.144294 131.000774 12 h after dark 95.001313 95.001313 95.001313