| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.34 | 4.66 | -0.32 |
| Feb | 3.24 | 3.45 | -0.21 |
| Mar | 3.98 | 4.08 | -0.10 |
| Apr | 2.87 | 3.28 | -0.41 |
| May | 2.23 | 2.47 | -0.24 |
| Jun | 1.80 | 2.11 | -0.31 |
| Jul | 0.85 | 0.89 | -0.04 |
| Aug | 1.01 | 1.00 | 0.01 |
| Sep | 1.73 | 1.90 | -0.17 |
| Oct | 3.61 | 3.71 | -0.10 |
| Nov | 4.80 | 5.39 | -0.59 |
| Dec | 4.79 | 5.22 | -0.43 |
35.25 | 38.16 | -2.91 |