| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.07 | 0.05 |
| Feb | 2.65 | 2.27 | 0.38 |
| Mar | 2.43 | 2.24 | 0.19 |
| Apr | 2.48 | 2.37 | 0.11 |
| May | 2.47 | 2.41 | 0.06 |
| Jun | 1.44 | 1.37 | 0.07 |
| Jul | 0.72 | 0.73 | -0.01 |
| Aug | 0.98 | 0.83 | 0.15 |
| Sep | 1.50 | 1.33 | 0.17 |
| Oct | 2.12 | 1.84 | 0.28 |
| Nov | 2.27 | 2.03 | 0.24 |
| Dec | 2.86 | 2.65 | 0.21 |
25.04 | 23.14 | 1.90 |