Teradata错误2620-格式或数据包含错误字符

Question

我运行了以下代码：

select cast(meas_value as float) as temperature
from meas_table
where  temperature < cast('96.80' as float) 
    or temperature  > cast('100.90' as float)

我收到错误

  

2620：格式或数据包含错误字符。

温度值为-102.5、98、99.5、97.7