| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.71 | -0.03 |
| Feb | 0.80 | 0.78 | 0.02 |
| Mar | 1.51 | 1.43 | 0.08 |
| Apr | 2.67 | 2.64 | 0.03 |
| May | 3.81 | 3.88 | -0.07 |
| Jun | 4.20 | 4.28 | -0.08 |
| Jul | 3.91 | 3.85 | 0.06 |
| Aug | 3.95 | 4.02 | -0.07 |
| Sep | 3.02 | 3.05 | -0.03 |
| Oct | 2.52 | 2.55 | -0.03 |
| Nov | 1.38 | 1.36 | 0.02 |
| Dec | 0.92 | 0.96 | -0.04 |
29.37 | 29.51 | -0.14 |