| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.53 | 1.76 | -0.23 |
| Feb | 1.23 | 1.47 | -0.24 |
| Mar | 1.10 | 1.45 | -0.35 |
| Apr | 1.43 | 1.87 | -0.44 |
| May | 1.60 | 1.91 | -0.31 |
| Jun | 0.75 | 0.89 | -0.14 |
| Jul | 0.49 | 0.51 | -0.02 |
| Aug | 0.71 | 0.70 | 0.01 |
| Sep | 1.07 | 1.19 | -0.12 |
| Oct | 1.33 | 1.50 | -0.17 |
| Nov | 1.06 | 1.30 | -0.24 |
| Dec | 1.20 | 1.64 | -0.44 |
13.50 | 16.19 | -2.69 |