| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.26 | -0.06 |
| Feb | 2.61 | 2.60 | 0.01 |
| Mar | 3.36 | 3.45 | -0.09 |
| Apr | 3.98 | 3.90 | 0.08 |
| May | 3.98 | 4.10 | -0.12 |
| Jun | 4.58 | 4.72 | -0.14 |
| Jul | 4.21 | 4.41 | -0.20 |
| Aug | 4.35 | 4.46 | -0.11 |
| Sep | 4.36 | 4.47 | -0.11 |
| Oct | 4.42 | 4.32 | 0.10 |
| Nov | 3.31 | 3.36 | -0.05 |
| Dec | 3.62 | 3.70 | -0.08 |
45.98 | 46.75 | -0.77 |