| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.59 | -0.23 |
| Feb | 3.16 | 3.33 | -0.17 |
| Mar | 4.09 | 4.36 | -0.27 |
| Apr | 4.06 | 4.20 | -0.14 |
| May | 3.57 | 3.56 | 0.01 |
| Jun | 4.12 | 4.16 | -0.04 |
| Jul | 3.54 | 3.77 | -0.23 |
| Aug | 3.72 | 3.92 | -0.20 |
| Sep | 3.83 | 3.84 | -0.01 |
| Oct | 4.65 | 4.82 | -0.17 |
| Nov | 3.79 | 3.74 | 0.05 |
| Dec | 4.35 | 4.64 | -0.29 |
46.24 | 47.93 | -1.69 |