| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.62 | -0.02 |
| Feb | 0.84 | 0.80 | 0.04 |
| Mar | 1.47 | 1.45 | 0.02 |
| Apr | 2.93 | 2.95 | -0.02 |
| May | 3.87 | 3.82 | 0.05 |
| Jun | 4.66 | 4.46 | 0.20 |
| Jul | 3.39 | 3.41 | -0.02 |
| Aug | 3.29 | 3.33 | -0.04 |
| Sep | 3.02 | 2.82 | 0.20 |
| Oct | 2.32 | 2.30 | 0.02 |
| Nov | 1.22 | 1.26 | -0.04 |
| Dec | 0.87 | 0.88 | -0.01 |
28.48 | 28.10 | 0.38 |