| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.90 | 0.95 | -0.05 |
| Feb | 0.83 | 0.93 | -0.10 |
| Mar | 1.32 | 1.41 | -0.09 |
| Apr | 2.39 | 2.55 | -0.16 |
| May | 3.13 | 3.15 | -0.02 |
| Jun | 4.20 | 4.20 | 0.00 |
| Jul | 3.88 | 3.83 | 0.05 |
| Aug | 3.53 | 3.73 | -0.20 |
| Sep | 3.15 | 3.32 | -0.17 |
| Oct | 2.84 | 2.92 | -0.08 |
| Nov | 1.68 | 1.82 | -0.14 |
| Dec | 1.25 | 1.37 | -0.12 |
29.10 | 30.18 | -1.08 |