| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.47 | 0.04 |
| Feb | 3.06 | 3.01 | 0.05 |
| Mar | 4.05 | 3.94 | 0.11 |
| Apr | 3.31 | 3.36 | -0.05 |
| May | 3.69 | 3.61 | 0.08 |
| Jun | 4.12 | 4.02 | 0.10 |
| Jul | 4.75 | 4.78 | -0.03 |
| Aug | 4.52 | 4.56 | -0.04 |
| Sep | 4.35 | 4.47 | -0.12 |
| Oct | 3.95 | 4.17 | -0.22 |
| Nov | 3.05 | 3.02 | 0.03 |
| Dec | 3.67 | 3.86 | -0.19 |
46.03 | 46.27 | -0.24 |