| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.92 | 2.95 | -0.03 |
| Feb | 2.60 | 2.49 | 0.11 |
| Mar | 3.51 | 3.48 | 0.03 |
| Apr | 4.05 | 4.03 | 0.02 |
| May | 4.20 | 4.31 | -0.11 |
| Jun | 4.41 | 4.46 | -0.05 |
| Jul | 3.94 | 4.18 | -0.24 |
| Aug | 3.34 | 3.20 | 0.14 |
| Sep | 2.87 | 2.92 | -0.05 |
| Oct | 2.71 | 2.87 | -0.16 |
| Nov | 2.88 | 2.82 | 0.06 |
| Dec | 2.94 | 3.02 | -0.08 |
40.37 | 40.73 | -0.36 |