| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.63 | -0.03 |
| Feb | 0.48 | 0.41 | 0.07 |
| Mar | 1.17 | 1.08 | 0.09 |
| Apr | 1.22 | 1.07 | 0.15 |
| May | 2.27 | 2.28 | -0.01 |
| Jun | 2.84 | 2.91 | -0.07 |
| Jul | 2.51 | 2.31 | 0.20 |
| Aug | 2.79 | 2.84 | -0.05 |
| Sep | 1.72 | 1.80 | -0.08 |
| Oct | 1.87 | 2.04 | -0.17 |
| Nov | 0.69 | 0.70 | -0.01 |
| Dec | 0.71 | 0.64 | 0.07 |
18.87 | 18.71 | 0.16 |