| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.40 | 2.55 | -0.15 |
| Feb | 2.42 | 2.43 | -0.01 |
| Mar | 3.77 | 3.97 | -0.20 |
| Apr | 4.66 | 4.61 | 0.05 |
| May | 5.57 | 5.49 | 0.08 |
| Jun | 4.48 | 4.43 | 0.05 |
| Jul | 3.95 | 4.02 | -0.07 |
| Aug | 3.37 | 3.32 | 0.05 |
| Sep | 4.27 | 4.38 | -0.11 |
| Oct | 3.47 | 3.44 | 0.03 |
| Nov | 3.51 | 3.68 | -0.17 |
| Dec | 2.69 | 2.77 | -0.08 |
44.56 | 45.09 | -0.53 |