| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.98 | 3.16 | -0.18 |
| Feb | 2.61 | 2.80 | -0.19 |
| Mar | 3.98 | 4.21 | -0.23 |
| Apr | 3.29 | 3.52 | -0.23 |
| May | 3.66 | 4.09 | -0.43 |
| Jun | 4.17 | 4.37 | -0.20 |
| Jul | 4.39 | 4.55 | -0.16 |
| Aug | 4.35 | 4.52 | -0.17 |
| Sep | 4.59 | 4.59 | 0.00 |
| Oct | 3.70 | 4.12 | -0.42 |
| Nov | 3.03 | 3.16 | -0.13 |
| Dec | 3.59 | 3.86 | -0.27 |
44.34 | 46.95 | -2.61 |