| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.55 | 4.66 | -0.11 |
| Feb | 4.61 | 4.44 | 0.17 |
| Mar | 4.64 | 4.89 | -0.25 |
| Apr | 3.94 | 3.93 | 0.01 |
| May | 2.86 | 2.90 | -0.04 |
| Jun | 4.72 | 5.02 | -0.30 |
| Jul | 5.19 | 5.37 | -0.18 |
| Aug | 4.83 | 5.01 | -0.18 |
| Sep | 3.86 | 3.83 | 0.03 |
| Oct | 2.61 | 2.65 | -0.04 |
| Nov | 3.03 | 3.10 | -0.07 |
| Dec | 4.80 | 4.63 | 0.17 |
49.64 | 50.43 | -0.79 |