| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.78 | 4.60 | 0.18 |
| Feb | 3.97 | 3.81 | 0.16 |
| Mar | 4.71 | 4.79 | -0.08 |
| Apr | 4.85 | 4.96 | -0.11 |
| May | 5.26 | 5.08 | 0.18 |
| Jun | 4.77 | 5.06 | -0.29 |
| Jul | 5.28 | 5.32 | -0.04 |
| Aug | 4.95 | 5.36 | -0.41 |
| Sep | 4.74 | 5.49 | -0.75 |
| Oct | 3.90 | 3.75 | 0.15 |
| Nov | 4.34 | 3.80 | 0.54 |
| Dec | 4.72 | 4.78 | -0.06 |
56.27 | 56.80 | -0.53 |