| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.56 | 4.57 | -0.01 |
| Feb | 4.69 | 4.58 | 0.11 |
| Mar | 4.96 | 4.93 | 0.03 |
| Apr | 3.87 | 3.93 | -0.06 |
| May | 3.05 | 3.16 | -0.11 |
| Jun | 4.44 | 4.36 | 0.08 |
| Jul | 4.52 | 4.51 | 0.01 |
| Aug | 4.40 | 4.38 | 0.02 |
| Sep | 3.94 | 3.89 | 0.05 |
| Oct | 3.33 | 3.35 | -0.02 |
| Nov | 3.73 | 3.74 | -0.01 |
| Dec | 4.68 | 4.69 | -0.01 |
50.17 | 50.09 | 0.08 |