| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.66 | -0.07 |
| Feb | 0.74 | 0.77 | -0.03 |
| Mar | 1.46 | 1.54 | -0.08 |
| Apr | 2.18 | 2.52 | -0.34 |
| May | 2.57 | 2.58 | -0.01 |
| Jun | 1.76 | 1.73 | 0.03 |
| Jul | 1.91 | 1.79 | 0.12 |
| Aug | 1.85 | 1.75 | 0.10 |
| Sep | 1.33 | 1.33 | 0.00 |
| Oct | 1.17 | 1.29 | -0.12 |
| Nov | 0.89 | 0.96 | -0.07 |
| Dec | 0.59 | 0.74 | -0.15 |
17.04 | 17.66 | -0.62 |