| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.53 | 0.53 | 0.00 |
| Feb | 0.56 | 0.56 | 0.00 |
| Mar | 0.89 | 0.89 | 0.00 |
| Apr | 1.82 | 1.83 | -0.01 |
| May | 3.03 | 3.24 | -0.21 |
| Jun | 3.76 | 3.86 | -0.10 |
| Jul | 3.63 | 3.52 | 0.11 |
| Aug | 2.47 | 2.43 | 0.04 |
| Sep | 2.31 | 2.35 | -0.04 |
| Oct | 2.07 | 2.01 | 0.06 |
| Nov | 0.68 | 0.70 | -0.02 |
| Dec | 0.58 | 0.61 | -0.03 |
22.33 | 22.53 | -0.20 |