condition mean min max 4 h after light 145.239325 126.132587 164.346063 8 h after light 159.058314 150.528442 167.588186 12 h after light 171.3293675 167.770518 174.888217 4 h after dark 201.1278815 161.260391 240.995372 8 h after dark 210.652739 186.197077 235.108401 12 h after dark 143.994354 143.994354 143.994354