| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.37 | -0.01 |
| Feb | 2.85 | 2.87 | -0.02 |
| Mar | 3.97 | 4.08 | -0.11 |
| Apr | 3.40 | 3.43 | -0.03 |
| May | 3.64 | 3.77 | -0.13 |
| Jun | 4.08 | 4.16 | -0.08 |
| Jul | 4.34 | 4.47 | -0.13 |
| Aug | 4.69 | 4.89 | -0.20 |
| Sep | 4.04 | 4.21 | -0.17 |
| Oct | 3.79 | 4.05 | -0.26 |
| Nov | 3.10 | 3.18 | -0.08 |
| Dec | 3.57 | 3.80 | -0.23 |
44.83 | 46.28 | -1.45 |