| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.68 | 3.57 | 0.11 |
| Feb | 3.01 | 3.01 | 0.00 |
| Mar | 3.70 | 3.69 | 0.01 |
| Apr | 4.09 | 3.84 | 0.25 |
| May | 4.09 | 3.98 | 0.11 |
| Jun | 4.72 | 4.79 | -0.07 |
| Jul | 4.48 | 4.54 | -0.06 |
| Aug | 4.34 | 3.93 | 0.41 |
| Sep | 4.00 | 3.83 | 0.17 |
| Oct | 5.15 | 5.07 | 0.08 |
| Nov | 3.83 | 3.67 | 0.16 |
| Dec | 4.34 | 4.29 | 0.05 |
49.43 | 48.21 | 1.22 |