| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.33 | 0.36 | -0.03 |
| Feb | 0.39 | 0.42 | -0.03 |
| Mar | 0.87 | 0.96 | -0.09 |
| Apr | 1.76 | 1.66 | 0.10 |
| May | 2.35 | 2.49 | -0.14 |
| Jun | 1.68 | 1.64 | 0.04 |
| Jul | 1.51 | 1.48 | 0.03 |
| Aug | 1.46 | 1.19 | 0.27 |
| Sep | 1.19 | 1.20 | -0.01 |
| Oct | 1.02 | 1.01 | 0.01 |
| Nov | 0.63 | 0.62 | 0.01 |
| Dec | 0.41 | 0.49 | -0.08 |
13.60 | 13.52 | 0.08 |