| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.35 | 5.27 | 0.08 |
| Feb | 5.23 | 5.09 | 0.14 |
| Mar | 5.34 | 5.22 | 0.12 |
| Apr | 5.20 | 5.21 | -0.01 |
| May | 4.50 | 4.55 | -0.05 |
| Jun | 4.33 | 4.45 | -0.12 |
| Jul | 5.13 | 4.72 | 0.41 |
| Aug | 3.75 | 3.81 | -0.06 |
| Sep | 3.62 | 3.85 | -0.23 |
| Oct | 3.60 | 3.50 | 0.10 |
| Nov | 4.45 | 4.52 | -0.07 |
| Dec | 5.86 | 5.82 | 0.04 |
56.36 | 56.01 | 0.35 |