| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.76 | 0.03 |
| Feb | 0.97 | 1.00 | -0.03 |
| Mar | 1.85 | 1.78 | 0.07 |
| Apr | 3.20 | 3.18 | 0.02 |
| May | 4.81 | 4.73 | 0.08 |
| Jun | 4.94 | 5.06 | -0.12 |
| Jul | 3.62 | 3.55 | 0.07 |
| Aug | 3.96 | 4.03 | -0.07 |
| Sep | 3.13 | 3.12 | 0.01 |
| Oct | 2.45 | 2.47 | -0.02 |
| Nov | 1.38 | 1.36 | 0.02 |
| Dec | 1.25 | 1.30 | -0.05 |
32.35 | 32.34 | 0.01 |