| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.57 | -0.10 |
| Feb | 3.14 | 3.21 | -0.07 |
| Mar | 3.95 | 3.93 | 0.02 |
| Apr | 4.13 | 4.25 | -0.12 |
| May | 3.62 | 3.62 | 0.00 |
| Jun | 4.33 | 4.41 | -0.08 |
| Jul | 3.37 | 3.43 | -0.06 |
| Aug | 3.36 | 3.44 | -0.08 |
| Sep | 3.99 | 3.90 | 0.09 |
| Oct | 5.12 | 5.31 | -0.19 |
| Nov | 4.39 | 4.44 | -0.05 |
| Dec | 4.30 | 4.50 | -0.20 |
47.17 | 48.01 | -0.84 |