| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.73 | 3.76 | -0.03 |
| Feb | 3.00 | 3.08 | -0.08 |
| Mar | 3.95 | 4.05 | -0.10 |
| Apr | 4.12 | 4.18 | -0.06 |
| May | 4.28 | 4.22 | 0.06 |
| Jun | 4.41 | 4.34 | 0.07 |
| Jul | 4.42 | 4.62 | -0.20 |
| Aug | 4.37 | 4.45 | -0.08 |
| Sep | 4.33 | 4.43 | -0.10 |
| Oct | 3.37 | 3.37 | 0.00 |
| Nov | 3.22 | 3.26 | -0.04 |
| Dec | 3.73 | 3.89 | -0.16 |
46.93 | 47.65 | -0.72 |