| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.67 | 1.78 | -0.11 |
| Feb | 1.29 | 1.48 | -0.19 |
| Mar | 1.26 | 1.42 | -0.16 |
| Apr | 1.88 | 1.80 | 0.08 |
| May | 1.90 | 1.79 | 0.11 |
| Jun | 0.78 | 0.87 | -0.09 |
| Jul | 0.55 | 0.49 | 0.06 |
| Aug | 0.73 | 0.69 | 0.04 |
| Sep | 1.21 | 1.17 | 0.04 |
| Oct | 1.53 | 1.45 | 0.08 |
| Nov | 1.21 | 1.33 | -0.12 |
| Dec | 1.56 | 1.58 | -0.02 |
15.57 | 15.85 | -0.28 |