| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.39 | 4.23 | 0.16 |
| Feb | 4.62 | 4.46 | 0.16 |
| Mar | 4.96 | 4.48 | 0.48 |
| Apr | 4.44 | 4.43 | 0.01 |
| May | 3.73 | 3.67 | 0.06 |
| Jun | 4.26 | 3.85 | 0.41 |
| Jul | 4.27 | 4.74 | -0.47 |
| Aug | 3.44 | 3.21 | 0.23 |
| Sep | 3.57 | 3.25 | 0.32 |
| Oct | 3.25 | 2.75 | 0.50 |
| Nov | 3.85 | 3.31 | 0.54 |
| Dec | 5.05 | 4.77 | 0.28 |
49.83 | 47.15 | 2.68 |