| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.44 | 4.39 | 0.05 |
| Feb | 4.17 | 4.31 | -0.14 |
| Mar | 4.54 | 4.48 | 0.06 |
| Apr | 3.51 | 3.75 | -0.24 |
| May | 2.74 | 2.59 | 0.15 |
| Jun | 4.32 | 4.39 | -0.07 |
| Jul | 4.99 | 4.84 | 0.15 |
| Aug | 4.33 | 4.48 | -0.15 |
| Sep | 3.68 | 3.74 | -0.06 |
| Oct | 2.75 | 2.86 | -0.11 |
| Nov | 3.28 | 3.33 | -0.05 |
| Dec | 4.67 | 4.62 | 0.05 |
47.42 | 47.78 | -0.36 |