| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.62 | -0.12 |
| Feb | 3.36 | 3.40 | -0.04 |
| Mar | 4.57 | 4.56 | 0.01 |
| Apr | 5.18 | 5.07 | 0.11 |
| May | 5.17 | 5.23 | -0.06 |
| Jun | 4.44 | 4.67 | -0.23 |
| Jul | 4.10 | 4.11 | -0.01 |
| Aug | 3.44 | 3.22 | 0.22 |
| Sep | 3.79 | 3.67 | 0.12 |
| Oct | 3.48 | 3.56 | -0.08 |
| Nov | 3.67 | 3.76 | -0.09 |
| Dec | 4.02 | 4.21 | -0.19 |
48.72 | 49.08 | -0.36 |