| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.70 | 0.00 |
| Feb | 3.08 | 3.17 | -0.09 |
| Mar | 3.76 | 3.94 | -0.18 |
| Apr | 3.25 | 3.43 | -0.18 |
| May | 3.44 | 3.31 | 0.13 |
| Jun | 4.07 | 4.28 | -0.21 |
| Jul | 3.89 | 3.92 | -0.03 |
| Aug | 4.14 | 4.40 | -0.26 |
| Sep | 3.72 | 3.94 | -0.22 |
| Oct | 3.11 | 3.22 | -0.11 |
| Nov | 3.11 | 3.24 | -0.13 |
| Dec | 3.68 | 3.82 | -0.14 |
42.95 | 44.37 | -1.42 |