| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.65 | 0.00 |
| Feb | 0.81 | 0.78 | 0.03 |
| Mar | 1.47 | 1.50 | -0.03 |
| Apr | 2.90 | 2.96 | -0.06 |
| May | 3.97 | 3.82 | 0.15 |
| Jun | 4.69 | 4.68 | 0.01 |
| Jul | 3.37 | 3.43 | -0.06 |
| Aug | 3.09 | 3.29 | -0.20 |
| Sep | 3.18 | 3.06 | 0.12 |
| Oct | 2.29 | 2.27 | 0.02 |
| Nov | 1.30 | 1.38 | -0.08 |
| Dec | 0.86 | 0.90 | -0.04 |
28.58 | 28.72 | -0.14 |