condition mean min max 4 h after light 543.98113 251.3202 836.64206 8 h after light 476.445433 435.190614 517.700252 12 h after light 770.1832684999999 526.876484 1013.490053 4 h after dark 1939.47174 1049.232057 2829.711423 8 h after dark 4225.2117355 3953.13544 4497.288031 12 h after dark 1241.494119 1241.494119 1241.494119