| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.38 | -0.01 |
| Feb | 2.85 | 2.82 | 0.03 |
| Mar | 4.28 | 4.37 | -0.09 |
| Apr | 3.70 | 3.64 | 0.06 |
| May | 3.64 | 3.73 | -0.09 |
| Jun | 4.51 | 4.59 | -0.08 |
| Jul | 4.56 | 4.57 | -0.01 |
| Aug | 4.34 | 4.36 | -0.02 |
| Sep | 4.53 | 4.70 | -0.17 |
| Oct | 3.94 | 4.10 | -0.16 |
| Nov | 3.36 | 3.22 | 0.14 |
| Dec | 4.04 | 4.24 | -0.20 |
47.12 | 47.72 | -0.60 |