| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.43 | -0.05 |
| Feb | 3.04 | 3.08 | -0.04 |
| Mar | 4.08 | 4.19 | -0.11 |
| Apr | 3.38 | 3.45 | -0.07 |
| May | 3.51 | 3.62 | -0.11 |
| Jun | 3.69 | 3.88 | -0.19 |
| Jul | 4.43 | 4.86 | -0.43 |
| Aug | 4.61 | 4.58 | 0.03 |
| Sep | 4.19 | 4.44 | -0.25 |
| Oct | 4.18 | 4.52 | -0.34 |
| Nov | 3.37 | 3.44 | -0.07 |
| Dec | 3.90 | 4.10 | -0.20 |
45.76 | 47.59 | -1.83 |