| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.16 | 5.41 | -0.25 |
| Feb | 5.34 | 5.44 | -0.10 |
| Mar | 5.35 | 5.46 | -0.11 |
| Apr | 5.18 | 5.20 | -0.02 |
| May | 4.68 | 5.19 | -0.51 |
| Jun | 4.31 | 4.86 | -0.55 |
| Jul | 4.76 | 4.67 | 0.09 |
| Aug | 4.08 | 3.95 | 0.13 |
| Sep | 3.71 | 4.19 | -0.48 |
| Oct | 3.91 | 3.71 | 0.20 |
| Nov | 4.26 | 4.24 | 0.02 |
| Dec | 6.18 | 6.11 | 0.07 |
56.92 | 58.43 | -1.51 |