| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.32 | 0.04 |
| Feb | 0.49 | 0.50 | -0.01 |
| Mar | 0.82 | 0.85 | -0.03 |
| Apr | 2.05 | 2.00 | 0.05 |
| May | 3.15 | 3.00 | 0.15 |
| Jun | 2.92 | 3.02 | -0.10 |
| Jul | 2.61 | 2.33 | 0.28 |
| Aug | 1.84 | 1.51 | 0.33 |
| Sep | 1.53 | 1.44 | 0.09 |
| Oct | 1.19 | 1.27 | -0.08 |
| Nov | 0.45 | 0.46 | -0.01 |
| Dec | 0.42 | 0.43 | -0.01 |
17.83 | 17.13 | 0.70 |