condition mean min max 4 h after light 0.6758941333333334 0.0895004 1.01323 8 h after light 0.6553483333333333 0.245159 0.906241 12 h after light 0.812755 0.355357 1.169 4 h after dark 1.0241583333333333 0.564715 1.73964 8 h after dark 0.401617 0.199754 0.614891 12 h after dark 0.8930830000000001 0.59399 1.11267