| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.57 | -0.04 |
| Feb | 2.88 | 2.86 | 0.02 |
| Mar | 4.04 | 3.96 | 0.08 |
| Apr | 3.64 | 3.73 | -0.09 |
| May | 3.82 | 3.98 | -0.16 |
| Jun | 4.53 | 4.26 | 0.27 |
| Jul | 5.31 | 5.42 | -0.11 |
| Aug | 5.03 | 5.34 | -0.31 |
| Sep | 5.09 | 5.04 | 0.05 |
| Oct | 3.86 | 4.21 | -0.35 |
| Nov | 3.09 | 3.02 | 0.07 |
| Dec | 3.61 | 3.58 | 0.03 |
48.43 | 48.97 | -0.54 |