| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.00 | 3.12 | -0.12 |
| Feb | 2.30 | 2.36 | -0.06 |
| Mar | 3.31 | 3.43 | -0.12 |
| Apr | 4.21 | 4.31 | -0.10 |
| May | 4.47 | 4.44 | 0.03 |
| Jun | 4.32 | 4.48 | -0.16 |
| Jul | 4.03 | 4.08 | -0.05 |
| Aug | 3.13 | 3.05 | 0.08 |
| Sep | 3.00 | 3.09 | -0.09 |
| Oct | 2.89 | 2.92 | -0.03 |
| Nov | 2.99 | 3.00 | -0.01 |
| Dec | 2.96 | 3.05 | -0.09 |
40.61 | 41.33 | -0.72 |