condition mean min max 0 h after light 3.55078 3.34858 3.75298 2 h after light 4.012965 3.90596 4.11997 4 h after light 3.480575 3.37231 3.58884 8 h after light 2.269205 2.08439 2.45402 12 h after light 3.35399 3.29875 3.40923 2 h after dark 3.422205 3.35297 3.49144 4 h after dark 3.32921 2.99798 3.66044 8 h after dark 4.873975 4.27896 5.46899 12 h after dark 4.08624 3.13375 5.03873