| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.14 | 2.13 | 0.01 |
| Feb | 1.98 | 1.92 | 0.06 |
| Mar | 2.69 | 2.66 | 0.03 |
| Apr | 4.13 | 3.98 | 0.15 |
| May | 4.52 | 4.57 | -0.05 |
| Jun | 4.34 | 4.44 | -0.10 |
| Jul | 3.77 | 3.66 | 0.11 |
| Aug | 3.44 | 3.16 | 0.28 |
| Sep | 3.07 | 3.15 | -0.08 |
| Oct | 3.18 | 3.13 | 0.05 |
| Nov | 2.96 | 2.92 | 0.04 |
| Dec | 2.10 | 2.17 | -0.07 |
38.32 | 37.89 | 0.43 |