| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.52 | -0.04 |
| Feb | 3.25 | 3.30 | -0.05 |
| Mar | 3.44 | 3.58 | -0.14 |
| Apr | 3.19 | 3.34 | -0.15 |
| May | 3.65 | 3.78 | -0.13 |
| Jun | 4.65 | 4.76 | -0.11 |
| Jul | 5.28 | 5.55 | -0.27 |
| Aug | 5.36 | 5.23 | 0.13 |
| Sep | 4.97 | 4.92 | 0.05 |
| Oct | 3.39 | 3.53 | -0.14 |
| Nov | 2.95 | 3.02 | -0.07 |
| Dec | 3.63 | 3.66 | -0.03 |
47.24 | 48.19 | -0.95 |