condition mean min max 0 h after light 0.783369 0.556578 1.01016 4 h after light 1.0615805 0.977811 1.14535 8 h after light 1.748505 1.74807 1.74894 4 h after dark 1.4662950000000001 1.43855 1.49404 8 h after dark 1.4231500000000001 1.30424 1.54206 12 h after dark 1.070725 0.90792 1.23353