condition mean min max 4 h after light 173.7166 143.0051 227.7522 8 h after light 177.41546 61.94438 335.3099 12 h after light 90.61143 63.42991 123.0326 16 h after light 198.69693666666666 58.07431 319.5132 4 h after dark 67.02325333333333 47.33809 88.17985999999999 8 h after dark 79.52058 57.52705 99.08765