condition mean min max 4 h after light 1.2080706666666667 0.609392 1.76488 8 h after light 0.8208743333333334 0.233011 1.68306 12 h after light 0.9880983333333333 0.54321 1.50069 4 h after dark 0.9132343333333333 0.581986 1.38136 8 h after dark 0.810315 0.369361 1.21185 12 h after dark 1.4162000000000001 1.1685 1.89943