| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.85 | 1.96 | -0.11 |
| Feb | 1.77 | 1.89 | -0.12 |
| Mar | 2.27 | 2.23 | 0.04 |
| Apr | 3.80 | 3.72 | 0.08 |
| May | 4.58 | 4.75 | -0.17 |
| Jun | 4.63 | 4.42 | 0.21 |
| Jul | 3.94 | 3.70 | 0.24 |
| Aug | 3.91 | 4.10 | -0.19 |
| Sep | 3.45 | 3.38 | 0.07 |
| Oct | 3.25 | 3.27 | -0.02 |
| Nov | 2.44 | 2.41 | 0.03 |
| Dec | 2.09 | 2.12 | -0.03 |
37.98 | 37.95 | 0.03 |