| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.43 | -0.04 |
| Feb | 3.01 | 3.05 | -0.04 |
| Mar | 4.08 | 4.19 | -0.11 |
| Apr | 3.39 | 3.45 | -0.06 |
| May | 3.54 | 3.64 | -0.10 |
| Jun | 3.74 | 3.93 | -0.19 |
| Jul | 4.40 | 4.59 | -0.19 |
| Aug | 4.70 | 4.55 | 0.15 |
| Sep | 4.19 | 4.42 | -0.23 |
| Oct | 4.12 | 4.46 | -0.34 |
| Nov | 3.37 | 3.41 | -0.04 |
| Dec | 3.87 | 4.07 | -0.20 |
45.80 | 47.19 | -1.39 |