| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.14 | -0.06 |
| Feb | 3.01 | 2.89 | 0.12 |
| Mar | 3.90 | 3.66 | 0.24 |
| Apr | 3.81 | 3.88 | -0.07 |
| May | 4.25 | 4.30 | -0.05 |
| Jun | 4.23 | 4.35 | -0.12 |
| Jul | 4.33 | 4.42 | -0.09 |
| Aug | 3.31 | 3.32 | -0.01 |
| Sep | 3.39 | 3.23 | 0.16 |
| Oct | 3.03 | 3.00 | 0.03 |
| Nov | 2.83 | 2.80 | 0.03 |
| Dec | 3.21 | 3.33 | -0.12 |
42.38 | 42.32 | 0.06 |