After a couple of months with very little rain, the last week has produced 2.4". This can be good and bad. It's good for our water supply and for the grass on the course. It is bad if we have hot days and warm nights, which we have had for the past month or two. That type of weather pattern creates a perfect opportunity for turfgrass diseases to infect the grass plants.
Turfgrass diseases are fungal pathogens. Just like a mushroom, they like warm, moist conditions. So, for me, the rain is good and bad.