| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.43 | -0.01 |
| Feb | 2.84 | 2.77 | 0.07 |
| Mar | 3.35 | 3.33 | 0.02 |
| Apr | 3.64 | 3.56 | 0.08 |
| May | 4.57 | 4.77 | -0.20 |
| Jun | 4.42 | 4.46 | -0.04 |
| Jul | 2.68 | 2.70 | -0.02 |
| Aug | 3.58 | 3.60 | -0.02 |
| Sep | 4.21 | 3.95 | 0.26 |
| Oct | 4.70 | 4.49 | 0.21 |
| Nov | 4.06 | 4.00 | 0.06 |
| Dec | 3.37 | 3.49 | -0.12 |
44.84 | 44.55 | 0.29 |