Another year is done, with 2011 behind us, and another year worth of power data (and for this year, I think I’ll throw in some gas usage data as well in the next post) to look at, and figure out what went well, bad, etc. Of note is that while this year is also a La Niña year, it has been much cooler than last year. We really had no summer at all (summer, by our terms, lasted a couple weeks. Tomatoes this year all ripened within a couple weeks, and late). We haven’t gotten any snow, but we certainly didn’t get many hot days (our hottest day was 91.2F), which now makes 2 years in a row where we haven’t broken 100F. Hopefully this will end after this year (La Niña is only supposed to last 2 years).
Here’s the raw numbers for electricity.
- Total Energy used in 2011: 10,475.58KWH ($485.02)
- Average Energy use per month: 872.96KWH ($40.42)
- Highest energy use day (amount): 2011-12-06 (74.63KWH)
- Highest energy use month (amount): December 2011 (1498.92KWH)
- Lowest energy use day (amount): 2011-08-18 (9.28kWH)
- Lowest energy use month (amount): September 2011 (543.04KWH)
- Mean (average) energy use per day: 28.7KWH (~ $1.32/day)
- Median energy use per day: 25.9KWH
- Mode (most common) energy use per day: 22KWH (had to round this)
- Highest energy use at a given time: 18.15kW (registered on 2011-02-02 8:03am)
- Lowest Voltage Recorded: 113.5v (registered 2011-02-02 7:59am)
- Highest Voltage Recorded: 139.4v (registered 2011-09-12 21:31am)
- Average Voltage: 121.1v
- Degree Cooling days greater than or equal to 90F: 2
- Degree Heating days less than or equal to 32F: 50
- Number of rows in DB: 525,142
The first number, since it’s largely the most important when looking at data, is the last one: number of rows. 525,142 rows. There are approximately 525,600 minutes in a non-leap year, which means given my number of rows, I have ~99.91% of possible data for the year, or about 0.09% missing. This certainly is an improvement from last year of 99.57% data.