| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.45 | -0.19 |
| Feb | 2.71 | 2.86 | -0.15 |
| Mar | 3.85 | 3.98 | -0.13 |
| Apr | 3.77 | 3.86 | -0.09 |
| May | 3.89 | 4.09 | -0.20 |
| Jun | 4.29 | 4.24 | 0.05 |
| Jul | 4.99 | 5.03 | -0.04 |
| Aug | 4.37 | 4.56 | -0.19 |
| Sep | 4.74 | 4.76 | -0.02 |
| Oct | 4.11 | 4.43 | -0.32 |
| Nov | 3.23 | 3.35 | -0.12 |
| Dec | 4.02 | 4.17 | -0.15 |
47.23 | 48.78 | -1.55 |