| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.29 | 4.24 | 0.05 |
| Feb | 4.67 | 4.66 | 0.01 |
| Mar | 5.08 | 5.05 | 0.03 |
| Apr | 4.93 | 4.82 | 0.11 |
| May | 5.03 | 5.27 | -0.24 |
| Jun | 4.32 | 4.28 | 0.04 |
| Jul | 4.49 | 4.46 | 0.03 |
| Aug | 3.68 | 3.48 | 0.20 |
| Sep | 3.93 | 3.91 | 0.02 |
| Oct | 3.51 | 3.41 | 0.10 |
| Nov | 3.74 | 3.85 | -0.11 |
| Dec | 4.93 | 5.00 | -0.07 |
52.60 | 52.43 | 0.17 |