| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.74 | 2.95 | -0.21 |
| Feb | 2.37 | 2.42 | -0.05 |
| Mar | 3.41 | 3.42 | -0.01 |
| Apr | 3.96 | 3.95 | 0.01 |
| May | 4.29 | 4.16 | 0.13 |
| Jun | 4.31 | 4.41 | -0.10 |
| Jul | 4.20 | 4.26 | -0.06 |
| Aug | 3.55 | 3.40 | 0.15 |
| Sep | 3.18 | 3.06 | 0.12 |
| Oct | 2.81 | 2.87 | -0.06 |
| Nov | 2.77 | 2.82 | -0.05 |
| Dec | 2.92 | 3.04 | -0.12 |
40.51 | 40.76 | -0.25 |