| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.75 | -0.03 |
| Feb | 0.74 | 0.74 | 0.00 |
| Mar | 1.24 | 1.23 | 0.01 |
| Apr | 2.19 | 2.18 | 0.01 |
| May | 3.21 | 3.40 | -0.19 |
| Jun | 4.43 | 4.53 | -0.10 |
| Jul | 4.27 | 4.32 | -0.05 |
| Aug | 3.56 | 3.51 | 0.05 |
| Sep | 3.08 | 3.10 | -0.02 |
| Oct | 2.81 | 2.89 | -0.08 |
| Nov | 1.41 | 1.37 | 0.04 |
| Dec | 1.04 | 1.10 | -0.06 |
28.70 | 29.12 | -0.42 |