| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.93 | 4.02 | -0.09 |
| Feb | 3.83 | 3.80 | 0.03 |
| Mar | 4.41 | 4.42 | -0.01 |
| Apr | 3.03 | 3.20 | -0.17 |
| May | 3.31 | 3.30 | 0.01 |
| Jun | 4.34 | 4.21 | 0.13 |
| Jul | 3.82 | 3.78 | 0.04 |
| Aug | 4.01 | 4.15 | -0.14 |
| Sep | 3.34 | 3.60 | -0.26 |
| Oct | 3.09 | 3.10 | -0.01 |
| Nov | 3.43 | 3.52 | -0.09 |
| Dec | 4.49 | 4.37 | 0.12 |
45.03 | 45.47 | -0.44 |