| 摘要 |
PROBLEM TO BE SOLVED: To monitor the abnormality of a weather sensor more finely by using a table storing the weather data in the aging unit of season, year, month, day and time in advance in view of the fact that the weather state generally lies in some range in this aging unit. SOLUTION: This abnormality monitoring device for a weather sensor is provided with a weather data table 31 storing the temperature data for each month and time, a calendar clock 30 counting the present time, and a comparator 32 judging whether the data of a temperature sensor are included in the range added and subtracted with the prescribed value to and from the temperature data T deg.C corresponding to the present time. When the temperature data are not included in this range, the temperature sensor is judged as abnormal, and abnormality data are outputted.
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