| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.57 | -0.16 |
| Feb | 2.82 | 2.83 | -0.01 |
| Mar | 4.03 | 4.32 | -0.29 |
| Apr | 3.61 | 3.57 | 0.04 |
| May | 3.69 | 3.66 | 0.03 |
| Jun | 4.34 | 4.19 | 0.15 |
| Jul | 4.87 | 4.80 | 0.07 |
| Aug | 4.51 | 4.82 | -0.31 |
| Sep | 3.89 | 3.91 | -0.02 |
| Oct | 3.85 | 4.04 | -0.19 |
| Nov | 3.22 | 3.25 | -0.03 |
| Dec | 4.12 | 4.35 | -0.23 |
46.36 | 47.31 | -0.95 |