| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.43 | 2.47 | -0.04 |
| Feb | 1.94 | 2.07 | -0.13 |
| Mar | 2.47 | 2.60 | -0.13 |
| Apr | 3.75 | 3.73 | 0.02 |
| May | 4.45 | 4.47 | -0.02 |
| Jun | 4.21 | 4.18 | 0.03 |
| Jul | 3.92 | 3.86 | 0.06 |
| Aug | 3.82 | 3.83 | -0.01 |
| Sep | 3.10 | 3.05 | 0.05 |
| Oct | 2.93 | 2.85 | 0.08 |
| Nov | 2.93 | 2.97 | -0.04 |
| Dec | 2.42 | 2.30 | 0.12 |
38.37 | 38.38 | -0.01 |