| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.25 | -0.07 |
| Feb | 2.86 | 2.70 | 0.16 |
| Mar | 3.24 | 3.08 | 0.16 |
| Apr | 3.75 | 3.74 | 0.01 |
| May | 4.18 | 4.12 | 0.06 |
| Jun | 4.78 | 4.61 | 0.17 |
| Jul | 5.19 | 5.06 | 0.13 |
| Aug | 4.51 | 5.08 | -0.57 |
| Sep | 3.84 | 3.93 | -0.09 |
| Oct | 4.82 | 4.83 | -0.01 |
| Nov | 3.64 | 3.73 | -0.09 |
| Dec | 3.85 | 4.31 | -0.46 |
47.84 | 48.44 | -0.60 |