condition mean min max 3 h after light 187.60966666666667 151.561 223.267 6 h after light 131.428 104.301 147.837 9 h after light 124.60000000000001 118.051 129.704 12 h after light 120.38025 110.676 131.514 3 h after dark 99.76586666666667 96.5666 102.23 6 h after dark 94.82809999999999 94.0396 96.2024 9 h after dark 102.42086666666667 96.8466 105.361 12 h after dark 109.55250000000001 107.333 111.772