| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.65 | -0.09 |
| Feb | 3.82 | 3.85 | -0.03 |
| Mar | 4.50 | 4.63 | -0.13 |
| Apr | 4.61 | 4.90 | -0.29 |
| May | 4.95 | 5.08 | -0.13 |
| Jun | 4.39 | 4.47 | -0.08 |
| Jul | 4.38 | 4.35 | 0.03 |
| Aug | 3.18 | 3.11 | 0.07 |
| Sep | 3.29 | 3.36 | -0.07 |
| Oct | 3.70 | 3.80 | -0.10 |
| Nov | 3.71 | 3.76 | -0.05 |
| Dec | 4.39 | 4.38 | 0.01 |
48.48 | 49.34 | -0.86 |