| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.74 | -0.16 |
| Feb | 3.08 | 3.15 | -0.07 |
| Mar | 3.78 | 4.04 | -0.26 |
| Apr | 3.55 | 3.61 | -0.06 |
| May | 3.62 | 3.31 | 0.31 |
| Jun | 4.15 | 4.07 | 0.08 |
| Jul | 3.82 | 3.87 | -0.05 |
| Aug | 4.12 | 4.25 | -0.13 |
| Sep | 3.79 | 3.96 | -0.17 |
| Oct | 3.22 | 3.36 | -0.14 |
| Nov | 3.24 | 3.29 | -0.05 |
| Dec | 3.48 | 3.71 | -0.23 |
43.43 | 44.36 | -0.93 |