| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.42 | 1.38 | 0.04 |
| Feb | 1.40 | 1.27 | 0.13 |
| Mar | 1.01 | 0.86 | 0.15 |
| Apr | 0.40 | 0.34 | 0.06 |
| May | 0.26 | 0.24 | 0.02 |
| Jun | 0.22 | 0.30 | -0.08 |
| Jul | 2.08 | 2.43 | -0.35 |
| Aug | 2.45 | 2.87 | -0.42 |
| Sep | 1.64 | 1.29 | 0.35 |
| Oct | 0.71 | 0.88 | -0.17 |
| Nov | 0.87 | 0.80 | 0.07 |
| Dec | 1.57 | 1.44 | 0.13 |
14.03 | 14.10 | -0.07 |