| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.70 | -0.01 |
| Feb | 0.96 | 1.00 | -0.04 |
| Mar | 1.84 | 1.82 | 0.02 |
| Apr | 2.92 | 2.87 | 0.05 |
| May | 4.75 | 4.73 | 0.02 |
| Jun | 4.64 | 4.58 | 0.06 |
| Jul | 4.31 | 4.29 | 0.02 |
| Aug | 3.93 | 4.03 | -0.10 |
| Sep | 2.79 | 2.79 | 0.00 |
| Oct | 2.32 | 2.29 | 0.03 |
| Nov | 1.43 | 1.47 | -0.04 |
| Dec | 1.12 | 1.10 | 0.02 |
31.70 | 31.67 | 0.03 |