| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.19 | 5.23 | -0.04 |
| Feb | 5.36 | 5.44 | -0.08 |
| Mar | 5.28 | 5.35 | -0.07 |
| Apr | 4.68 | 4.95 | -0.27 |
| May | 4.24 | 4.36 | -0.12 |
| Jun | 4.80 | 4.78 | 0.02 |
| Jul | 4.57 | 4.51 | 0.06 |
| Aug | 4.25 | 4.30 | -0.05 |
| Sep | 3.74 | 3.93 | -0.19 |
| Oct | 3.40 | 3.31 | 0.09 |
| Nov | 4.43 | 4.50 | -0.07 |
| Dec | 5.04 | 5.19 | -0.15 |
54.98 | 55.85 | -0.87 |