| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.94 | 1.01 | -0.07 |
| Feb | 0.91 | 0.98 | -0.07 |
| Mar | 1.36 | 1.40 | -0.04 |
| Apr | 2.35 | 2.38 | -0.03 |
| May | 3.18 | 3.25 | -0.07 |
| Jun | 4.43 | 4.50 | -0.07 |
| Jul | 4.12 | 4.08 | 0.04 |
| Aug | 3.60 | 3.61 | -0.01 |
| Sep | 3.30 | 3.50 | -0.20 |
| Oct | 2.96 | 2.90 | 0.06 |
| Nov | 1.68 | 1.73 | -0.05 |
| Dec | 1.28 | 1.47 | -0.19 |
30.11 | 30.81 | -0.70 |