For most people the extra degree or degree and a half was no big deal. For the rancher who’s managed to hang on until September but whose stock tank is going to run dry just a week or so before it would have been replenished by rain, or for the family whose house was just on the wrong side of the edge of the wildfire, a degree or degree and a half makes all the difference in the world.
Precipitation: The balance of evidence does not support the assertion that the rainfall deficit since October 2010 was made larger or more likely by global warming.
Temperature: Compared to long-term averages of summer temperature, the rainfall deficit accounted for about 4 F of excess heat and global warming accounted for about 1 F of excess heat. Warmer temperatures lead to greater water demand, faster evaporation, and greater drying-out of potential fuels for fire. Thus, the impacts of the drought were enhanced by global warming