| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.61 | 0.02 |
| Feb | 3.05 | 3.16 | -0.11 |
| Mar | 4.29 | 4.41 | -0.12 |
| Apr | 5.19 | 5.33 | -0.14 |
| May | 5.44 | 5.51 | -0.07 |
| Jun | 4.98 | 5.03 | -0.05 |
| Jul | 4.21 | 4.31 | -0.10 |
| Aug | 3.50 | 3.29 | 0.21 |
| Sep | 3.46 | 3.62 | -0.16 |
| Oct | 3.38 | 3.49 | -0.11 |
| Nov | 3.82 | 3.92 | -0.10 |
| Dec | 3.69 | 3.85 | -0.16 |
48.64 | 49.53 | -0.89 |