| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.47 | -0.05 |
| Feb | 3.20 | 3.47 | -0.27 |
| Mar | 3.51 | 3.68 | -0.17 |
| Apr | 3.09 | 3.04 | 0.05 |
| May | 3.90 | 3.67 | 0.23 |
| Jun | 4.91 | 4.87 | 0.04 |
| Jul | 5.92 | 6.21 | -0.29 |
| Aug | 6.28 | 6.66 | -0.38 |
| Sep | 6.23 | 6.79 | -0.56 |
| Oct | 4.05 | 4.31 | -0.26 |
| Nov | 3.33 | 3.18 | 0.15 |
| Dec | 3.71 | 3.63 | 0.08 |
51.55 | 52.98 | -1.43 |