Your raised bed looks good now it is time to plant, broccoli, Napa cabbage, Spanish, lettuce, cold weather crops.
I wish I still had photos of my Arizona garden they are probably on this forum some where. My rows were 15 feet long 3 feet apart with 3/4" PVC pipe irrigation. I turned the water on at 9 pm every evening for 15 minutes. My best garden was planted about mid October this gave me plenty of time to get a good crop. If the garden gets killed by frost I replanted tomatoes, melons, beans, etc. 114 degree heat killed tomatoes in summer but the melons love the heat best melons I ever had. I tried raised beds a few times they just don't work well for me.