| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.41 | 0.24 |
| Feb | 3.57 | 3.60 | -0.03 |
| Mar | 4.10 | 3.89 | 0.21 |
| Apr | 4.06 | 4.15 | -0.09 |
| May | 4.30 | 4.08 | 0.22 |
| Jun | 4.43 | 4.31 | 0.12 |
| Jul | 4.66 | 4.76 | -0.10 |
| Aug | 3.60 | 3.95 | -0.35 |
| Sep | 3.02 | 2.98 | 0.04 |
| Oct | 2.77 | 2.49 | 0.28 |
| Nov | 2.97 | 2.89 | 0.08 |
| Dec | 4.03 | 3.93 | 0.10 |
45.16 | 44.44 | 0.72 |