| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.82 | -0.11 |
| Feb | 2.97 | 3.31 | -0.34 |
| Mar | 4.46 | 4.44 | 0.02 |
| Apr | 3.69 | 3.69 | 0.00 |
| May | 3.82 | 3.64 | 0.18 |
| Jun | 4.00 | 4.16 | -0.16 |
| Jul | 4.44 | 4.21 | 0.23 |
| Aug | 4.59 | 4.43 | 0.16 |
| Sep | 3.92 | 3.72 | 0.20 |
| Oct | 4.09 | 4.28 | -0.19 |
| Nov | 3.30 | 3.59 | -0.29 |
| Dec | 4.46 | 4.77 | -0.31 |
47.45 | 48.06 | -0.61 |