| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.36 | 0.00 |
| Feb | 0.47 | 0.47 | 0.00 |
| Mar | 0.85 | 0.90 | -0.05 |
| Apr | 1.80 | 1.82 | -0.02 |
| May | 2.65 | 2.49 | 0.16 |
| Jun | 2.56 | 2.61 | -0.05 |
| Jul | 3.21 | 3.11 | 0.10 |
| Aug | 2.72 | 2.93 | -0.21 |
| Sep | 1.16 | 1.14 | 0.02 |
| Oct | 1.19 | 1.27 | -0.08 |
| Nov | 0.55 | 0.50 | 0.05 |
| Dec | 0.42 | 0.45 | -0.03 |
17.94 | 18.05 | -0.11 |