| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.95 | 3.03 | -0.08 |
| Feb | 2.49 | 2.40 | 0.09 |
| Mar | 3.51 | 3.65 | -0.14 |
| Apr | 3.32 | 3.58 | -0.26 |
| May | 4.32 | 4.46 | -0.14 |
| Jun | 4.18 | 4.27 | -0.09 |
| Jul | 4.04 | 3.93 | 0.11 |
| Aug | 3.31 | 3.41 | -0.10 |
| Sep | 4.17 | 4.55 | -0.38 |
| Oct | 3.51 | 3.75 | -0.24 |
| Nov | 2.90 | 3.03 | -0.13 |
| Dec | 3.43 | 3.56 | -0.13 |
42.13 | 43.62 | -1.49 |