| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.39 | 0.04 |
| Feb | 2.82 | 2.69 | 0.13 |
| Mar | 4.02 | 4.16 | -0.14 |
| Apr | 3.43 | 3.43 | 0.00 |
| May | 3.75 | 3.89 | -0.14 |
| Jun | 4.61 | 4.35 | 0.26 |
| Jul | 4.89 | 5.15 | -0.26 |
| Aug | 4.84 | 4.81 | 0.03 |
| Sep | 4.46 | 5.18 | -0.72 |
| Oct | 4.04 | 4.18 | -0.14 |
| Nov | 3.01 | 2.93 | 0.08 |
| Dec | 3.60 | 3.61 | -0.01 |
46.90 | 47.77 | -0.87 |