| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.51 | 0.03 |
| Feb | 0.60 | 0.55 | 0.05 |
| Mar | 1.28 | 1.11 | 0.17 |
| Apr | 2.08 | 1.98 | 0.10 |
| May | 2.31 | 2.17 | 0.14 |
| Jun | 2.11 | 2.14 | -0.03 |
| Jul | 3.36 | 2.88 | 0.48 |
| Aug | 2.93 | 3.41 | -0.48 |
| Sep | 1.43 | 1.70 | -0.27 |
| Oct | 1.01 | 0.85 | 0.16 |
| Nov | 0.68 | 0.68 | 0.00 |
| Dec | 0.52 | 0.49 | 0.03 |
18.85 | 18.47 | 0.38 |