| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.61 | 0.03 |
| Feb | 0.79 | 0.74 | 0.05 |
| Mar | 1.71 | 1.63 | 0.08 |
| Apr | 2.55 | 2.47 | 0.08 |
| May | 2.79 | 2.79 | 0.00 |
| Jun | 1.85 | 1.78 | 0.07 |
| Jul | 1.77 | 1.59 | 0.18 |
| Aug | 1.68 | 1.51 | 0.17 |
| Sep | 1.50 | 1.90 | -0.40 |
| Oct | 1.37 | 1.34 | 0.03 |
| Nov | 0.97 | 0.91 | 0.06 |
| Dec | 0.62 | 0.62 | 0.00 |
18.24 | 17.89 | 0.35 |