| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.38 | 0.01 |
| Feb | 3.12 | 2.93 | 0.19 |
| Mar | 3.37 | 3.46 | -0.09 |
| Apr | 3.16 | 3.10 | 0.06 |
| May | 3.18 | 3.01 | 0.17 |
| Jun | 5.30 | 5.45 | -0.15 |
| Jul | 5.72 | 5.57 | 0.15 |
| Aug | 6.55 | 6.78 | -0.23 |
| Sep | 4.81 | 5.09 | -0.28 |
| Oct | 4.23 | 4.47 | -0.24 |
| Nov | 2.45 | 2.40 | 0.05 |
| Dec | 3.04 | 3.24 | -0.20 |
48.32 | 48.88 | -0.56 |