| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.74 | 0.05 |
| Feb | 0.98 | 0.95 | 0.03 |
| Mar | 1.70 | 1.70 | 0.00 |
| Apr | 2.81 | 2.81 | 0.00 |
| May | 5.39 | 5.35 | 0.04 |
| Jun | 4.67 | 4.81 | -0.14 |
| Jul | 3.98 | 3.88 | 0.10 |
| Aug | 3.57 | 3.44 | 0.13 |
| Sep | 3.00 | 3.02 | -0.02 |
| Oct | 2.39 | 2.43 | -0.04 |
| Nov | 1.39 | 1.39 | 0.00 |
| Dec | 1.23 | 1.17 | 0.06 |
31.90 | 31.69 | 0.21 |