| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.28 | 0.26 | 0.02 |
| Feb | 0.32 | 0.30 | 0.02 |
| Mar | 0.74 | 0.81 | -0.07 |
| Apr | 1.61 | 1.63 | -0.02 |
| May | 2.24 | 2.43 | -0.19 |
| Jun | 1.72 | 1.84 | -0.12 |
| Jul | 1.76 | 1.72 | 0.04 |
| Aug | 1.45 | 1.33 | 0.12 |
| Sep | 1.27 | 1.13 | 0.14 |
| Oct | 1.04 | 1.04 | 0.00 |
| Nov | 0.55 | 0.50 | 0.05 |
| Dec | 0.27 | 0.29 | -0.02 |
13.25 | 13.28 | -0.03 |