| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.99 | 4.01 | -0.02 |
| Feb | 2.94 | 2.92 | 0.02 |
| Mar | 3.38 | 3.43 | -0.05 |
| Apr | 4.03 | 4.07 | -0.04 |
| May | 4.98 | 5.05 | -0.07 |
| Jun | 5.44 | 5.26 | 0.18 |
| Jul | 3.99 | 3.98 | 0.01 |
| Aug | 4.49 | 5.00 | -0.51 |
| Sep | 5.19 | 4.89 | 0.30 |
| Oct | 4.75 | 4.72 | 0.03 |
| Nov | 4.26 | 4.41 | -0.15 |
| Dec | 3.77 | 3.94 | -0.17 |
51.21 | 51.68 | -0.47 |