| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.25 | 5.23 | 0.02 |
| Feb | 5.41 | 5.40 | 0.01 |
| Mar | 5.37 | 5.36 | 0.01 |
| Apr | 4.99 | 5.27 | -0.28 |
| May | 4.19 | 4.46 | -0.27 |
| Jun | 4.76 | 4.85 | -0.09 |
| Jul | 4.89 | 4.65 | 0.24 |
| Aug | 4.10 | 4.55 | -0.45 |
| Sep | 4.02 | 4.35 | -0.33 |
| Oct | 3.33 | 3.41 | -0.08 |
| Nov | 4.48 | 4.57 | -0.09 |
| Dec | 4.95 | 5.22 | -0.27 |
55.74 | 57.32 | -1.58 |