| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.35 | 1.32 | 0.03 |
| Feb | 1.54 | 1.47 | 0.07 |
| Mar | 1.70 | 1.75 | -0.05 |
| Apr | 3.16 | 3.03 | 0.13 |
| May | 4.53 | 4.39 | 0.14 |
| Jun | 3.46 | 3.71 | -0.25 |
| Jul | 3.01 | 3.15 | -0.14 |
| Aug | 2.38 | 2.51 | -0.13 |
| Sep | 1.82 | 1.75 | 0.07 |
| Oct | 2.41 | 2.56 | -0.15 |
| Nov | 1.42 | 1.46 | -0.04 |
| Dec | 1.41 | 1.26 | 0.15 |
28.19 | 28.36 | -0.17 |