condition mean min max 4 h after light 5.74094 3.04664 8.43524 8 h after light 7.341335 6.53762 8.14505 12 h after light 1.97195 1.8157 2.1282 4 h after dark 1.4431433333333334 1.05962 1.64762 8 h after dark 1.74558 1.5482 2.12037 12 h after dark 4.148326666666667 3.37307 4.62796