| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.67 | -0.14 |
| Feb | 2.84 | 2.93 | -0.09 |
| Mar | 3.83 | 3.68 | 0.15 |
| Apr | 3.90 | 4.10 | -0.20 |
| May | 4.37 | 4.58 | -0.21 |
| Jun | 4.57 | 4.77 | -0.20 |
| Jul | 4.07 | 4.24 | -0.17 |
| Aug | 3.66 | 3.66 | 0.00 |
| Sep | 4.43 | 4.35 | 0.08 |
| Oct | 3.46 | 3.47 | -0.01 |
| Nov | 3.36 | 3.22 | 0.14 |
| Dec | 3.68 | 3.72 | -0.04 |
45.70 | 46.39 | -0.69 |