| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.25 | 2.14 | 0.11 |
| Feb | 1.85 | 1.67 | 0.18 |
| Mar | 1.96 | 1.78 | 0.18 |
| Apr | 2.46 | 2.42 | 0.04 |
| May | 3.86 | 3.64 | 0.22 |
| Jun | 8.98 | 9.89 | -0.91 |
| Jul | 7.87 | 8.91 | -1.04 |
| Aug | 9.34 | 9.76 | -0.42 |
| Sep | 8.34 | 9.57 | -1.23 |
| Oct | 3.84 | 3.66 | 0.18 |
| Nov | 1.69 | 1.73 | -0.04 |
| Dec | 1.89 | 1.68 | 0.21 |
54.33 | 56.85 | -2.52 |