| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.51 | -0.19 |
| Feb | 3.07 | 3.17 | -0.10 |
| Mar | 4.43 | 4.52 | -0.09 |
| Apr | 5.03 | 5.15 | -0.12 |
| May | 5.10 | 5.21 | -0.11 |
| Jun | 4.47 | 4.31 | 0.16 |
| Jul | 4.38 | 4.32 | 0.06 |
| Aug | 3.14 | 3.13 | 0.01 |
| Sep | 3.45 | 3.43 | 0.02 |
| Oct | 3.38 | 3.43 | -0.05 |
| Nov | 3.94 | 3.96 | -0.02 |
| Dec | 3.76 | 3.95 | -0.19 |
47.47 | 48.09 | -0.62 |