Summary of observations in Santa AnaNote that the numbers below should be used very carefully. These numbers are not official recordings and are based on previous observations in Santa Ana. There may be observations in between those listed here that have higher or lower values. | | Lowest | Highest |
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| Value | Time | Value | Time |
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| Temperature | 46 °F | Feb 7 at 6:53 AM | 63 °F | Feb 3 at 11:53 AM | | | | | | Humidity | 41% | Feb 7 at 11:53 AM | 94% | Feb 6 at 6:00 AM | | | | | | Barometer | 29.73 "Hg | Feb 3 at 2:53 PM | 30.10 "Hg | Feb 5 at 9:53 AM | | | | |
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