condition mean min max 4 h after light 0.5280763333333334 0.0 1.1963 8 h after light 0.841794 0.227062 1.17148 12 h after light 0.47649633333333336 0.103498 1.20292 4 h after dark 0.40651966666666667 0.219179 0.604166 8 h after dark 0.351528 0.169902 0.544238 12 h after dark 0.540612 0.460519 0.680928