| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.37 | -0.03 |
| Feb | 3.04 | 3.03 | 0.01 |
| Mar | 4.22 | 4.18 | 0.04 |
| Apr | 4.96 | 4.95 | 0.01 |
| May | 5.37 | 5.24 | 0.13 |
| Jun | 4.88 | 4.73 | 0.15 |
| Jul | 4.41 | 4.51 | -0.10 |
| Aug | 3.83 | 3.72 | 0.11 |
| Sep | 3.35 | 3.43 | -0.08 |
| Oct | 3.33 | 3.37 | -0.04 |
| Nov | 3.59 | 3.51 | 0.08 |
| Dec | 3.90 | 3.99 | -0.09 |
48.22 | 48.03 | 0.19 |