| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.73 | -0.10 |
| Feb | 2.78 | 2.95 | -0.17 |
| Mar | 3.96 | 4.25 | -0.29 |
| Apr | 4.03 | 4.08 | -0.05 |
| May | 4.16 | 4.19 | -0.03 |
| Jun | 4.60 | 4.79 | -0.19 |
| Jul | 4.83 | 4.69 | 0.14 |
| Aug | 4.53 | 4.54 | -0.01 |
| Sep | 4.58 | 4.44 | 0.14 |
| Oct | 4.48 | 4.55 | -0.07 |
| Nov | 3.48 | 3.65 | -0.17 |
| Dec | 4.36 | 4.53 | -0.17 |
49.42 | 50.39 | -0.97 |