| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.78 | 2.89 | -0.11 |
| Feb | 2.32 | 2.44 | -0.12 |
| Mar | 3.14 | 3.33 | -0.19 |
| Apr | 4.18 | 4.37 | -0.19 |
| May | 4.51 | 4.63 | -0.12 |
| Jun | 4.99 | 4.99 | 0.00 |
| Jul | 4.06 | 4.11 | -0.05 |
| Aug | 3.32 | 3.06 | 0.26 |
| Sep | 3.31 | 3.33 | -0.02 |
| Oct | 3.15 | 3.19 | -0.04 |
| Nov | 3.38 | 3.49 | -0.11 |
| Dec | 2.75 | 2.91 | -0.16 |
41.89 | 42.74 | -0.85 |