condition mean min max 4 h after light 7.965195 6.73246 9.19793 8 h after light 5.453984999999999 4.80703 6.10094 12 h after light 4.485844999999999 4.14373 4.82796 4 h after dark 6.650096666666666 6.40023 6.78182 8 h after dark 4.60769 3.68228 5.26749 12 h after dark 6.567853333333334 6.49444 6.61737