| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.42 | -0.10 |
| Feb | 2.97 | 3.04 | -0.07 |
| Mar | 3.69 | 3.75 | -0.06 |
| Apr | 3.94 | 3.95 | -0.01 |
| May | 3.70 | 3.74 | -0.04 |
| Jun | 4.60 | 4.50 | 0.10 |
| Jul | 4.27 | 4.12 | 0.15 |
| Aug | 4.29 | 4.15 | 0.14 |
| Sep | 4.55 | 4.52 | 0.03 |
| Oct | 4.82 | 4.83 | -0.01 |
| Nov | 3.55 | 3.58 | -0.03 |
| Dec | 4.17 | 4.33 | -0.16 |
47.87 | 47.93 | -0.06 |