| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.87 | -0.01 |
| Feb | 1.27 | 1.29 | -0.02 |
| Mar | 2.38 | 2.40 | -0.02 |
| Apr | 3.22 | 3.10 | 0.12 |
| May | 5.28 | 5.30 | -0.02 |
| Jun | 4.90 | 5.03 | -0.13 |
| Jul | 3.98 | 3.91 | 0.07 |
| Aug | 3.95 | 4.03 | -0.08 |
| Sep | 2.81 | 2.84 | -0.03 |
| Oct | 3.03 | 2.95 | 0.08 |
| Nov | 1.66 | 1.60 | 0.06 |
| Dec | 1.24 | 1.27 | -0.03 |
34.58 | 34.59 | -0.01 |