| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.50 | -0.01 |
| Feb | 0.63 | 0.66 | -0.03 |
| Mar | 1.19 | 1.27 | -0.08 |
| Apr | 2.08 | 1.96 | 0.12 |
| May | 3.64 | 3.63 | 0.01 |
| Jun | 2.88 | 2.91 | -0.03 |
| Jul | 3.53 | 3.70 | -0.17 |
| Aug | 3.03 | 3.18 | -0.15 |
| Sep | 1.78 | 2.06 | -0.28 |
| Oct | 1.63 | 1.78 | -0.15 |
| Nov | 0.79 | 0.80 | -0.01 |
| Dec | 0.65 | 0.72 | -0.07 |
22.32 | 23.17 | -0.85 |