| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.68 | -0.05 |
| Feb | 0.70 | 0.77 | -0.07 |
| Mar | 1.51 | 1.51 | 0.00 |
| Apr | 2.62 | 2.65 | -0.03 |
| May | 3.69 | 3.69 | 0.00 |
| Jun | 4.69 | 4.65 | 0.04 |
| Jul | 3.71 | 3.59 | 0.12 |
| Aug | 4.00 | 3.75 | 0.25 |
| Sep | 3.12 | 3.03 | 0.09 |
| Oct | 2.27 | 2.21 | 0.06 |
| Nov | 1.28 | 1.23 | 0.05 |
| Dec | 0.84 | 0.95 | -0.11 |
29.06 | 28.71 | 0.35 |