| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.11 | 2.26 | -0.15 |
| Feb | 1.85 | 1.93 | -0.08 |
| Mar | 2.58 | 2.62 | -0.04 |
| Apr | 3.71 | 3.69 | 0.02 |
| May | 4.54 | 4.51 | 0.03 |
| Jun | 4.07 | 4.02 | 0.05 |
| Jul | 4.03 | 3.91 | 0.12 |
| Aug | 3.62 | 3.57 | 0.05 |
| Sep | 3.11 | 3.26 | -0.15 |
| Oct | 3.26 | 3.27 | -0.01 |
| Nov | 2.78 | 2.72 | 0.06 |
| Dec | 2.23 | 2.26 | -0.03 |
37.89 | 38.02 | -0.13 |