condition mean min max 0 h after light 0.526953 0.482518 0.571388 2 h after light 1.0280165 0.918413 1.13762 4 h after light 0.940471 0.851362 1.02958 8 h after light 1.069576 0.943202 1.19595 12 h after light 1.038713 0.920776 1.15665 2 h after dark 1.192385 1.14255 1.24222 4 h after dark 1.46836 1.25216 1.68456 8 h after dark 1.4944700000000002 1.36078 1.62816 12 h after dark 0.983676 0.927112 1.04024