| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.46 | -0.01 |
| Feb | 0.42 | 0.41 | 0.01 |
| Mar | 0.55 | 0.58 | -0.03 |
| Apr | 0.53 | 0.59 | -0.06 |
| May | 0.43 | 0.46 | -0.03 |
| Jun | 0.48 | 0.41 | 0.07 |
| Jul | 1.55 | 1.37 | 0.18 |
| Aug | 1.55 | 1.53 | 0.02 |
| Sep | 1.17 | 1.28 | -0.11 |
| Oct | 0.92 | 0.99 | -0.07 |
| Nov | 0.61 | 0.61 | 0.00 |
| Dec | 0.57 | 0.61 | -0.04 |
9.23 | 9.30 | -0.07 |