condition mean min max 4 h after light 2161.6 2161.6 2161.6 8 h after light 2630.05 1938.3 3321.8 12 h after light 2493.55 1983.5 3003.6 4 h after dark 1023.15 241.6 1804.7 8 h after dark 273.79999999999995 247.2 300.4 12 h after dark 254.5 219.8 289.2