| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.07 | -0.04 |
| Feb | 2.65 | 2.72 | -0.07 |
| Mar | 3.81 | 3.89 | -0.08 |
| Apr | 3.47 | 3.42 | 0.05 |
| May | 4.31 | 4.35 | -0.04 |
| Jun | 4.32 | 4.29 | 0.03 |
| Jul | 4.51 | 4.34 | 0.17 |
| Aug | 3.92 | 3.80 | 0.12 |
| Sep | 4.33 | 4.38 | -0.05 |
| Oct | 3.91 | 3.98 | -0.07 |
| Nov | 3.17 | 3.20 | -0.03 |
| Dec | 3.70 | 3.73 | -0.03 |
45.13 | 45.17 | -0.04 |