| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.32 | 0.28 | 0.04 |
| Feb | 0.43 | 0.42 | 0.01 |
| Mar | 0.88 | 0.82 | 0.06 |
| Apr | 1.61 | 1.61 | 0.00 |
| May | 2.58 | 2.78 | -0.20 |
| Jun | 2.33 | 2.48 | -0.15 |
| Jul | 2.08 | 2.11 | -0.03 |
| Aug | 1.53 | 1.70 | -0.17 |
| Sep | 1.40 | 1.47 | -0.07 |
| Oct | 1.08 | 0.98 | 0.10 |
| Nov | 0.56 | 0.52 | 0.04 |
| Dec | 0.37 | 0.40 | -0.03 |
15.17 | 15.57 | -0.40 |