| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.28 | 4.32 | -0.04 |
| Feb | 4.16 | 4.17 | -0.01 |
| Mar | 4.58 | 4.60 | -0.02 |
| Apr | 3.35 | 3.47 | -0.12 |
| May | 3.45 | 3.41 | 0.04 |
| Jun | 4.26 | 4.40 | -0.14 |
| Jul | 4.03 | 4.16 | -0.13 |
| Aug | 4.36 | 4.32 | 0.04 |
| Sep | 3.81 | 3.73 | 0.08 |
| Oct | 3.36 | 3.34 | 0.02 |
| Nov | 3.78 | 3.84 | -0.06 |
| Dec | 4.67 | 4.65 | 0.02 |
48.09 | 48.41 | -0.32 |