condition mean min max 4 h after light 172.030979 160.258164 183.803794 8 h after light 216.214469 212.002942 220.425996 12 h after light 189.398818 155.232057 223.565579 4 h after dark 220.7201085 216.130321 225.309896 8 h after dark 196.5595375 164.755547 228.363528 12 h after dark 194.078211 194.078211 194.078211