| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.57 | -0.19 |
| Feb | 2.86 | 2.85 | 0.01 |
| Mar | 3.99 | 3.79 | 0.20 |
| Apr | 3.43 | 3.52 | -0.09 |
| May | 3.70 | 3.80 | -0.10 |
| Jun | 4.22 | 4.29 | -0.07 |
| Jul | 5.26 | 4.95 | 0.31 |
| Aug | 5.04 | 5.63 | -0.59 |
| Sep | 5.09 | 4.96 | 0.13 |
| Oct | 3.87 | 4.48 | -0.61 |
| Nov | 3.12 | 3.30 | -0.18 |
| Dec | 3.41 | 3.48 | -0.07 |
47.37 | 48.62 | -1.25 |