| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.64 | -0.11 |
| Feb | 2.91 | 2.89 | 0.02 |
| Mar | 4.15 | 4.07 | 0.08 |
| Apr | 3.66 | 3.59 | 0.07 |
| May | 3.77 | 3.64 | 0.13 |
| Jun | 4.40 | 4.39 | 0.01 |
| Jul | 4.84 | 4.76 | 0.08 |
| Aug | 4.85 | 4.67 | 0.18 |
| Sep | 5.04 | 5.27 | -0.23 |
| Oct | 3.53 | 3.54 | -0.01 |
| Nov | 3.43 | 3.38 | 0.05 |
| Dec | 3.54 | 3.52 | 0.02 |
47.65 | 47.36 | 0.29 |