condition mean min max 0 h after light 0.6385915 0.599517 0.677666 2 h after light 0.4421575 0.403849 0.480466 4 h after light 0.179523 0.1763 0.182746 8 h after light 0.18521415 0.0928713 0.277557 12 h after light 0.321617 0.301064 0.34217 2 h after dark 0.373743 0.277746 0.46974 4 h after dark 0.438154 0.328905 0.547403 8 h after dark 0.2980355 0.292628 0.303443 12 h after dark 0.5003285 0.415969 0.584688