| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.33 | 1.51 | -0.18 |
| Feb | 1.28 | 1.36 | -0.08 |
| Mar | 1.21 | 1.30 | -0.09 |
| Apr | 1.22 | 1.40 | -0.18 |
| May | 1.61 | 1.59 | 0.02 |
| Jun | 1.80 | 1.91 | -0.11 |
| Jul | 0.77 | 0.77 | 0.00 |
| Aug | 0.75 | 0.72 | 0.03 |
| Sep | 0.97 | 0.85 | 0.12 |
| Oct | 1.47 | 1.62 | -0.15 |
| Nov | 1.53 | 1.70 | -0.17 |
| Dec | 1.59 | 1.44 | 0.15 |
15.53 | 16.17 | -0.64 |