condition mean min max 0 h after light 0.6572365 0.477448 0.837025 4 h after light 0.36092650000000004 0.235369 0.486484 8 h after light 0.5365260000000001 0.36451 0.708542 4 h after dark 2.173365 1.99289 2.35384 8 h after dark 0.767586 0.70534 0.829832 12 h after dark 0.650416 0.466421 0.834411