| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.27 | 0.08 |
| Feb | 0.47 | 0.45 | 0.02 |
| Mar | 0.90 | 0.87 | 0.03 |
| Apr | 1.68 | 1.61 | 0.07 |
| May | 2.48 | 2.56 | -0.08 |
| Jun | 2.13 | 2.27 | -0.14 |
| Jul | 2.08 | 1.98 | 0.10 |
| Aug | 1.48 | 1.68 | -0.20 |
| Sep | 1.43 | 1.60 | -0.17 |
| Oct | 1.08 | 1.00 | 0.08 |
| Nov | 0.59 | 0.55 | 0.04 |
| Dec | 0.41 | 0.44 | -0.03 |
15.08 | 15.28 | -0.20 |