| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.84 | 0.87 | -0.03 |
| Feb | 0.87 | 0.95 | -0.08 |
| Mar | 1.44 | 1.52 | -0.08 |
| Apr | 2.64 | 2.68 | -0.04 |
| May | 3.53 | 3.56 | -0.03 |
| Jun | 4.46 | 4.57 | -0.11 |
| Jul | 4.51 | 4.72 | -0.21 |
| Aug | 3.82 | 3.87 | -0.05 |
| Sep | 3.22 | 3.26 | -0.04 |
| Oct | 3.14 | 3.03 | 0.11 |
| Nov | 1.66 | 1.73 | -0.07 |
| Dec | 1.20 | 1.35 | -0.15 |
31.33 | 32.11 | -0.78 |