| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.73 | 3.21 | -0.48 |
| Feb | 2.12 | 2.43 | -0.31 |
| Mar | 2.85 | 3.11 | -0.26 |
| Apr | 3.55 | 3.86 | -0.31 |
| May | 3.74 | 3.64 | 0.10 |
| Jun | 3.91 | 3.57 | 0.34 |
| Jul | 3.89 | 3.58 | 0.31 |
| Aug | 3.49 | 3.67 | -0.18 |
| Sep | 3.95 | 3.70 | 0.25 |
| Oct | 3.63 | 4.07 | -0.44 |
| Nov | 3.33 | 3.58 | -0.25 |
| Dec | 2.94 | 3.43 | -0.49 |
40.13 | 41.85 | -1.72 |