condition mean min max 3 h after light 38.96713333333334 37.2212 41.665 6 h after light 82.38696666666667 71.1962 93.5324 9 h after light 130.408 104.417 163.807 12 h after light 121.39465 61.0816 168.799 3 h after dark 166.84 162.843 173.041 6 h after dark 124.13433333333333 115.375 131.996 9 h after dark 87.28813333333333 81.8371 91.8082 12 h after dark 50.7054 47.3908 54.02