| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.30 | 0.06 |
| Feb | 0.47 | 0.45 | 0.02 |
| Mar | 0.74 | 0.82 | -0.08 |
| Apr | 1.98 | 1.87 | 0.11 |
| May | 3.15 | 2.97 | 0.18 |
| Jun | 2.78 | 2.89 | -0.11 |
| Jul | 2.53 | 2.24 | 0.29 |
| Aug | 1.82 | 1.65 | 0.17 |
| Sep | 1.50 | 1.45 | 0.05 |
| Oct | 1.13 | 1.19 | -0.06 |
| Nov | 0.45 | 0.45 | 0.00 |
| Dec | 0.38 | 0.38 | 0.00 |
17.29 | 16.66 | 0.63 |