| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.86 | 4.03 | -0.17 |
| Feb | 4.01 | 4.10 | -0.09 |
| Mar | 4.51 | 4.33 | 0.18 |
| Apr | 4.31 | 4.33 | -0.02 |
| May | 4.06 | 3.81 | 0.25 |
| Jun | 4.18 | 3.99 | 0.19 |
| Jul | 4.74 | 4.75 | -0.01 |
| Aug | 3.82 | 3.63 | 0.19 |
| Sep | 3.14 | 3.04 | 0.10 |
| Oct | 2.84 | 2.46 | 0.38 |
| Nov | 3.24 | 3.07 | 0.17 |
| Dec | 4.42 | 4.42 | 0.00 |
47.13 | 45.96 | 1.17 |