| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.38 | 2.45 | -0.07 |
| Feb | 1.62 | 1.74 | -0.12 |
| Mar | 1.83 | 1.63 | 0.20 |
| Apr | 1.23 | 1.32 | -0.09 |
| May | 0.97 | 1.16 | -0.19 |
| Jun | 0.89 | 0.97 | -0.08 |
| Jul | 0.47 | 0.50 | -0.03 |
| Aug | 0.54 | 0.56 | -0.02 |
| Sep | 0.96 | 0.87 | 0.09 |
| Oct | 1.90 | 1.74 | 0.16 |
| Nov | 3.22 | 2.94 | 0.28 |
| Dec | 2.66 | 2.53 | 0.13 |
18.67 | 18.41 | 0.26 |