| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.35 | -0.05 |
| Feb | 3.03 | 3.01 | 0.02 |
| Mar | 4.32 | 4.30 | 0.02 |
| Apr | 3.40 | 3.43 | -0.03 |
| May | 3.30 | 3.47 | -0.17 |
| Jun | 3.66 | 3.58 | 0.08 |
| Jul | 4.29 | 4.16 | 0.13 |
| Aug | 4.67 | 4.30 | 0.37 |
| Sep | 3.90 | 3.84 | 0.06 |
| Oct | 4.12 | 4.19 | -0.07 |
| Nov | 3.34 | 3.29 | 0.05 |
| Dec | 4.16 | 4.09 | 0.07 |
45.49 | 45.01 | 0.48 |