| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.18 | 1.33 | -0.15 |
| Feb | 1.19 | 1.49 | -0.30 |
| Mar | 1.04 | 1.24 | -0.20 |
| Apr | 0.45 | 0.48 | -0.03 |
| May | 0.41 | 0.40 | 0.01 |
| Jun | 0.23 | 0.30 | -0.07 |
| Jul | 1.87 | 2.15 | -0.28 |
| Aug | 2.29 | 2.39 | -0.10 |
| Sep | 1.33 | 1.54 | -0.21 |
| Oct | 0.76 | 0.89 | -0.13 |
| Nov | 0.65 | 0.74 | -0.09 |
| Dec | 1.10 | 1.21 | -0.11 |
12.50 | 14.16 | -1.66 |