| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.71 | -0.11 |
| Feb | 0.52 | 0.51 | 0.01 |
| Mar | 1.37 | 1.42 | -0.05 |
| Apr | 1.90 | 1.85 | 0.05 |
| May | 2.86 | 2.76 | 0.10 |
| Jun | 3.39 | 3.38 | 0.01 |
| Jul | 3.07 | 3.05 | 0.02 |
| Aug | 2.79 | 2.71 | 0.08 |
| Sep | 1.53 | 1.46 | 0.07 |
| Oct | 1.85 | 2.06 | -0.21 |
| Nov | 0.72 | 0.67 | 0.05 |
| Dec | 0.93 | 0.89 | 0.04 |
21.53 | 21.47 | 0.06 |