| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.61 | 0.69 | -0.08 | 
| Feb | 0.66 | 0.63 | 0.03 | 
| Mar | 1.17 | 1.08 | 0.09 | 
| Apr | 2.30 | 2.24 | 0.06 | 
| May | 3.16 | 2.97 | 0.19 | 
| Jun | 4.02 | 3.87 | 0.15 | 
| Jul | 3.62 | 3.34 | 0.28 | 
| Aug | 3.05 | 2.89 | 0.16 | 
| Sep | 2.64 | 2.55 | 0.09 | 
| Oct | 2.21 | 2.16 | 0.05 | 
| Nov | 0.89 | 0.88 | 0.01 | 
| Dec | 0.70 | 0.68 | 0.02 | 
| 25.03 | 23.98 | 1.05 |