| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.18 | 5.69 | -0.51 |
| Feb | 3.61 | 3.92 | -0.31 |
| Mar | 4.01 | 4.20 | -0.19 |
| Apr | 2.92 | 3.02 | -0.10 |
| May | 1.89 | 1.96 | -0.07 |
| Jun | 1.42 | 1.49 | -0.07 |
| Jul | 0.68 | 0.65 | 0.03 |
| Aug | 0.93 | 0.92 | 0.01 |
| Sep | 1.50 | 1.59 | -0.09 |
| Oct | 3.62 | 3.73 | -0.11 |
| Nov | 5.72 | 6.22 | -0.50 |
| Dec | 5.41 | 6.14 | -0.73 |
36.89 | 39.53 | -2.64 |