| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.90 | -0.28 |
| Feb | 0.82 | 1.15 | -0.33 |
| Mar | 1.71 | 2.21 | -0.50 |
| Apr | 2.55 | 3.06 | -0.51 |
| May | 2.48 | 3.05 | -0.57 |
| Jun | 1.85 | 1.86 | -0.01 |
| Jul | 2.08 | 2.22 | -0.14 |
| Aug | 2.09 | 2.02 | 0.07 |
| Sep | 1.54 | 1.82 | -0.28 |
| Oct | 1.25 | 1.61 | -0.36 |
| Nov | 0.87 | 1.20 | -0.33 |
| Dec | 0.64 | 0.93 | -0.29 |
18.50 | 22.03 | -3.53 |