| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.84 | 0.82 | 0.02 |
| Feb | 1.14 | 1.20 | -0.06 |
| Mar | 2.04 | 2.04 | 0.00 |
| Apr | 2.73 | 2.74 | -0.01 |
| May | 4.95 | 4.81 | 0.14 |
| Jun | 4.28 | 4.10 | 0.18 |
| Jul | 4.03 | 4.34 | -0.31 |
| Aug | 3.68 | 3.56 | 0.12 |
| Sep | 2.84 | 2.75 | 0.09 |
| Oct | 2.29 | 2.25 | 0.04 |
| Nov | 1.36 | 1.43 | -0.07 |
| Dec | 1.17 | 1.20 | -0.03 |
31.35 | 31.24 | 0.11 |