| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.84 | -0.03 |
| Feb | 0.85 | 0.92 | -0.07 |
| Mar | 1.45 | 1.52 | -0.07 |
| Apr | 2.66 | 2.73 | -0.07 |
| May | 3.58 | 3.61 | -0.03 |
| Jun | 4.43 | 4.55 | -0.12 |
| Jul | 4.54 | 4.58 | -0.04 |
| Aug | 3.88 | 3.88 | 0.00 |
| Sep | 3.23 | 3.36 | -0.13 |
| Oct | 3.13 | 3.05 | 0.08 |
| Nov | 1.62 | 1.69 | -0.07 |
| Dec | 1.17 | 1.32 | -0.15 |
31.35 | 32.05 | -0.70 |