| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 1.02 | -0.06 |
| Feb | 0.89 | 0.94 | -0.05 |
| Mar | 1.41 | 1.43 | -0.02 |
| Apr | 2.46 | 2.53 | -0.07 |
| May | 3.19 | 3.11 | 0.08 |
| Jun | 4.29 | 4.13 | 0.16 |
| Jul | 3.96 | 3.75 | 0.21 |
| Aug | 3.57 | 3.70 | -0.13 |
| Sep | 3.24 | 3.34 | -0.10 |
| Oct | 2.93 | 2.95 | -0.02 |
| Nov | 1.76 | 1.87 | -0.11 |
| Dec | 1.32 | 1.33 | -0.01 |
29.98 | 30.10 | -0.12 |