| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.93 | -0.27 |
| Feb | 0.85 | 0.93 | -0.08 |
| Mar | 1.51 | 1.68 | -0.17 |
| Apr | 2.86 | 2.81 | 0.05 |
| May | 3.93 | 4.21 | -0.28 |
| Jun | 4.73 | 5.11 | -0.38 |
| Jul | 3.82 | 3.84 | -0.02 |
| Aug | 3.68 | 3.97 | -0.29 |
| Sep | 3.16 | 3.19 | -0.03 |
| Oct | 2.26 | 2.34 | -0.08 |
| Nov | 1.42 | 1.48 | -0.06 |
| Dec | 1.04 | 1.20 | -0.16 |
29.92 | 31.69 | -1.77 |