| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.57 | 0.00 |
| Feb | 2.97 | 2.95 | 0.02 |
| Mar | 4.07 | 3.99 | 0.08 |
| Apr | 3.66 | 3.62 | 0.04 |
| May | 3.79 | 3.65 | 0.14 |
| Jun | 4.48 | 4.55 | -0.07 |
| Jul | 4.89 | 4.85 | 0.04 |
| Aug | 4.74 | 4.70 | 0.04 |
| Sep | 5.01 | 5.31 | -0.30 |
| Oct | 3.56 | 3.69 | -0.13 |
| Nov | 3.44 | 3.37 | 0.07 |
| Dec | 3.51 | 3.46 | 0.05 |
47.69 | 47.71 | -0.02 |