| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.21 | 3.33 | -0.12 |
| Feb | 2.80 | 2.94 | -0.14 |
| Mar | 3.47 | 3.65 | -0.18 |
| Apr | 3.59 | 3.76 | -0.17 |
| May | 3.59 | 3.63 | -0.04 |
| Jun | 4.31 | 4.38 | -0.07 |
| Jul | 4.08 | 4.12 | -0.04 |
| Aug | 4.19 | 4.14 | 0.05 |
| Sep | 4.35 | 4.42 | -0.07 |
| Oct | 4.49 | 4.63 | -0.14 |
| Nov | 3.35 | 3.44 | -0.09 |
| Dec | 3.94 | 4.10 | -0.16 |
45.37 | 46.54 | -1.17 |