| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.29 | 0.31 | -0.02 |
| Feb | 0.37 | 0.37 | 0.00 |
| Mar | 0.79 | 0.78 | 0.01 |
| Apr | 1.47 | 1.59 | -0.12 |
| May | 1.50 | 1.51 | -0.01 |
| Jun | 1.12 | 1.18 | -0.06 |
| Jul | 1.79 | 1.89 | -0.10 |
| Aug | 1.96 | 2.08 | -0.12 |
| Sep | 0.88 | 0.73 | 0.15 |
| Oct | 0.86 | 0.85 | 0.01 |
| Nov | 0.57 | 0.46 | 0.11 |
| Dec | 0.28 | 0.27 | 0.01 |
11.88 | 12.02 | -0.14 |