| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.83 | 4.28 | -0.45 |
| Feb | 3.03 | 3.27 | -0.24 |
| Mar | 4.08 | 4.52 | -0.44 |
| Apr | 4.19 | 4.35 | -0.16 |
| May | 4.61 | 5.05 | -0.44 |
| Jun | 4.94 | 4.89 | 0.05 |
| Jul | 4.75 | 4.61 | 0.14 |
| Aug | 4.52 | 4.57 | -0.05 |
| Sep | 4.97 | 5.10 | -0.13 |
| Oct | 3.52 | 3.74 | -0.22 |
| Nov | 3.62 | 3.80 | -0.18 |
| Dec | 3.87 | 4.27 | -0.40 |
49.93 | 52.45 | -2.52 |