| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.99 | 0.96 | 0.03 |
| Feb | 0.99 | 0.99 | 0.00 |
| Mar | 1.98 | 1.89 | 0.09 |
| Apr | 3.53 | 3.40 | 0.13 |
| May | 4.59 | 4.29 | 0.30 |
| Jun | 5.39 | 5.31 | 0.08 |
| Jul | 4.35 | 4.43 | -0.08 |
| Aug | 4.29 | 4.15 | 0.14 |
| Sep | 3.67 | 3.58 | 0.09 |
| Oct | 2.55 | 2.35 | 0.20 |
| Nov | 1.79 | 1.65 | 0.14 |
| Dec | 1.24 | 1.21 | 0.03 |
35.36 | 34.21 | 1.15 |