| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.99 | 1.05 | -0.06 |
| Feb | 0.96 | 0.91 | 0.05 |
| Mar | 1.32 | 1.22 | 0.10 |
| Apr | 2.28 | 2.05 | 0.23 |
| May | 3.15 | 2.93 | 0.22 |
| Jun | 4.29 | 4.10 | 0.19 |
| Jul | 3.91 | 3.99 | -0.08 |
| Aug | 3.35 | 3.25 | 0.10 |
| Sep | 3.51 | 3.40 | 0.11 |
| Oct | 2.94 | 2.65 | 0.29 |
| Nov | 1.78 | 1.63 | 0.15 |
| Dec | 1.39 | 1.39 | 0.00 |
29.87 | 28.57 | 1.30 |