| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.53 | 2.73 | -0.20 |
| Feb | 2.15 | 2.31 | -0.16 |
| Mar | 3.40 | 3.48 | -0.08 |
| Apr | 4.74 | 4.82 | -0.08 |
| May | 4.97 | 5.02 | -0.05 |
| Jun | 4.35 | 4.69 | -0.34 |
| Jul | 3.85 | 4.35 | -0.50 |
| Aug | 3.25 | 3.62 | -0.37 |
| Sep | 3.43 | 3.42 | 0.01 |
| Oct | 3.14 | 3.15 | -0.01 |
| Nov | 3.39 | 3.59 | -0.20 |
| Dec | 2.66 | 2.68 | -0.02 |
41.86 | 43.86 | -2.00 |