| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.31 | 0.29 | 0.02 |
| Feb | 0.34 | 0.34 | 0.00 |
| Mar | 0.82 | 0.90 | -0.08 |
| Apr | 1.70 | 1.71 | -0.01 |
| May | 2.29 | 2.54 | -0.25 |
| Jun | 1.74 | 1.82 | -0.08 |
| Jul | 1.69 | 1.57 | 0.12 |
| Aug | 1.43 | 1.22 | 0.21 |
| Sep | 1.28 | 1.12 | 0.16 |
| Oct | 1.05 | 1.02 | 0.03 |
| Nov | 0.58 | 0.53 | 0.05 |
| Dec | 0.30 | 0.33 | -0.03 |
13.53 | 13.39 | 0.14 |