| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 3.29 | -0.35 |
| Feb | 2.53 | 2.68 | -0.15 |
| Mar | 3.28 | 3.43 | -0.15 |
| Apr | 3.83 | 3.90 | -0.07 |
| May | 3.92 | 3.72 | 0.20 |
| Jun | 4.76 | 4.54 | 0.22 |
| Jul | 4.41 | 4.47 | -0.06 |
| Aug | 4.29 | 4.07 | 0.22 |
| Sep | 4.21 | 3.93 | 0.28 |
| Oct | 4.31 | 3.94 | 0.37 |
| Nov | 3.38 | 3.29 | 0.09 |
| Dec | 3.49 | 3.54 | -0.05 |
45.35 | 44.80 | 0.55 |