| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.69 | 5.62 | -0.93 |
| Feb | 2.82 | 3.44 | -0.62 |
| Mar | 3.21 | 4.11 | -0.90 |
| Apr | 2.49 | 3.11 | -0.62 |
| May | 2.18 | 2.41 | -0.23 |
| Jun | 1.59 | 1.82 | -0.23 |
| Jul | 0.91 | 1.06 | -0.15 |
| Aug | 1.10 | 1.18 | -0.08 |
| Sep | 1.96 | 2.14 | -0.18 |
| Oct | 3.69 | 4.43 | -0.74 |
| Nov | 5.04 | 6.07 | -1.03 |
| Dec | 4.45 | 5.28 | -0.83 |
34.13 | 40.67 | -6.54 |