| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.62 | 4.50 | 0.12 |
| Feb | 4.94 | 4.63 | 0.31 |
| Mar | 5.29 | 5.12 | 0.17 |
| Apr | 4.91 | 4.77 | 0.14 |
| May | 4.88 | 4.83 | 0.05 |
| Jun | 4.71 | 4.70 | 0.01 |
| Jul | 4.57 | 4.45 | 0.12 |
| Aug | 3.70 | 3.54 | 0.16 |
| Sep | 3.88 | 3.75 | 0.13 |
| Oct | 3.59 | 3.34 | 0.25 |
| Nov | 3.71 | 3.81 | -0.10 |
| Dec | 5.33 | 5.44 | -0.11 |
54.13 | 52.88 | 1.25 |