condition mean min max 4 h after light 55.73642 37.54755 67.79533 8 h after light 53.89973333333334 45.96352 67.89183 12 h after light 69.07651333333334 64.47979000000001 71.55328 16 h after light 82.51303666666666 80.19230999999999 84.31221 4 h after dark 103.88729 97.14390999999999 115.1423 8 h after dark 112.4731 102.3289 119.8117