| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.58 | 4.62 | -0.04 |
| Feb | 4.74 | 4.69 | 0.05 |
| Mar | 4.94 | 5.01 | -0.07 |
| Apr | 4.02 | 4.15 | -0.13 |
| May | 3.39 | 3.34 | 0.05 |
| Jun | 4.31 | 4.25 | 0.06 |
| Jul | 4.84 | 4.65 | 0.19 |
| Aug | 4.13 | 4.21 | -0.08 |
| Sep | 3.66 | 3.57 | 0.09 |
| Oct | 3.15 | 3.31 | -0.16 |
| Nov | 3.85 | 3.89 | -0.04 |
| Dec | 4.76 | 4.80 | -0.04 |
50.37 | 50.49 | -0.12 |