| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.35 | 1.30 | 0.05 |
| Feb | 1.55 | 1.58 | -0.03 |
| Mar | 2.57 | 2.47 | 0.10 |
| Apr | 3.15 | 3.07 | 0.08 |
| May | 4.84 | 4.68 | 0.16 |
| Jun | 3.94 | 3.93 | 0.01 |
| Jul | 2.44 | 2.38 | 0.06 |
| Aug | 2.78 | 2.64 | 0.14 |
| Sep | 3.34 | 3.16 | 0.18 |
| Oct | 3.11 | 3.31 | -0.20 |
| Nov | 2.04 | 1.99 | 0.05 |
| Dec | 1.85 | 1.79 | 0.06 |
32.96 | 32.30 | 0.66 |