condition mean min max 4 h after light 145.8470995 141.112703 150.581496 8 h after light 168.6612245 159.245063 178.077386 12 h after light 165.902488 142.861888 188.943088 4 h after dark 215.5338015 177.751258 253.316345 8 h after dark 195.87189999999998 180.742512 211.001288 12 h after dark 204.282626 204.282626 204.282626