| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.21 | 5.05 | 0.16 |
| Feb | 5.18 | 5.09 | 0.09 |
| Mar | 5.50 | 5.42 | 0.08 |
| Apr | 4.59 | 4.49 | 0.10 |
| May | 3.91 | 3.84 | 0.07 |
| Jun | 4.44 | 4.20 | 0.24 |
| Jul | 4.83 | 4.50 | 0.33 |
| Aug | 4.09 | 3.92 | 0.17 |
| Sep | 3.94 | 4.06 | -0.12 |
| Oct | 3.43 | 3.50 | -0.07 |
| Nov | 4.46 | 4.41 | 0.05 |
| Dec | 5.14 | 5.07 | 0.07 |
54.72 | 53.55 | 1.17 |