| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.31 | 0.06 |
| Feb | 2.78 | 2.75 | 0.03 |
| Mar | 3.93 | 3.82 | 0.11 |
| Apr | 3.39 | 3.34 | 0.05 |
| May | 4.16 | 4.13 | 0.03 |
| Jun | 4.27 | 4.11 | 0.16 |
| Jul | 4.38 | 4.35 | 0.03 |
| Aug | 4.39 | 4.46 | -0.07 |
| Sep | 4.50 | 4.21 | 0.29 |
| Oct | 3.69 | 3.62 | 0.07 |
| Nov | 3.30 | 3.26 | 0.04 |
| Dec | 3.62 | 3.72 | -0.10 |
45.78 | 45.08 | 0.70 |