condition mean min max 0 h after light 6.028335 4.53247 7.5242 2 h after light 2.737805 2.37787 3.09774 4 h after light 2.197865 2.19506 2.20067 8 h after light 2.24878 2.17901 2.31855 12 h after light 3.284845 3.23334 3.33635 2 h after dark 5.004425 4.84069 5.16816 4 h after dark 5.361655000000001 4.90134 5.82197 8 h after dark 7.835255 6.57036 9.10015 12 h after dark 5.924049999999999 5.06426 6.78384