| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.72 | -0.01 |
| Feb | 3.15 | 3.06 | 0.09 |
| Mar | 3.95 | 3.98 | -0.03 |
| Apr | 3.58 | 3.55 | 0.03 |
| May | 3.70 | 3.42 | 0.28 |
| Jun | 4.44 | 4.43 | 0.01 |
| Jul | 4.45 | 4.70 | -0.25 |
| Aug | 4.10 | 4.53 | -0.43 |
| Sep | 4.95 | 4.83 | 0.12 |
| Oct | 3.58 | 3.46 | 0.12 |
| Nov | 3.55 | 3.41 | 0.14 |
| Dec | 3.70 | 3.57 | 0.13 |
46.86 | 46.66 | 0.20 |