condition mean min max 4 h after light 54.5741 52.5916 56.5566 8 h after light 45.3429 42.4544 48.2314 12 h after light 98.19095 95.8099 100.572 4 h after dark 162.71 158.163 167.257 8 h after dark 156.252 150.704 161.8 12 h after dark 102.59649999999999 101.042 104.151