| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.51 | -0.13 |
| Feb | 0.43 | 0.54 | -0.11 |
| Mar | 0.70 | 0.89 | -0.19 |
| Apr | 1.42 | 1.87 | -0.45 |
| May | 2.41 | 3.05 | -0.64 |
| Jun | 2.36 | 2.87 | -0.51 |
| Jul | 1.42 | 1.60 | -0.18 |
| Aug | 1.11 | 1.21 | -0.10 |
| Sep | 1.13 | 1.36 | -0.23 |
| Oct | 0.99 | 1.33 | -0.34 |
| Nov | 0.58 | 0.67 | -0.09 |
| Dec | 0.45 | 0.60 | -0.15 |
13.38 | 16.50 | -3.12 |