I don’t know how much domestic agriculture changed in the last 30 years, but 30 years ago growing enough veggies for couple of winter months was a full-time everyday job for 2 people in our family, with another 4 having to help regularly. I don’t think there is enough free time for that right now
Damn, if you call this constant, I’m scared to guess what do you mean by fluctuating https://www.researchgate.net/figure/Hourly-production-and-hourly-average-wind-speed-mast-and-MERRA-for-an-exemplary-month_fig1_276421124