| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.93 | 1.88 | 0.05 |
| Feb | 2.28 | 2.09 | 0.19 |
| Mar | 1.74 | 1.70 | 0.04 |
| Apr | 0.64 | 0.67 | -0.03 |
| May | 0.57 | 0.47 | 0.10 |
| Jun | 0.31 | 0.28 | 0.03 |
| Jul | 2.41 | 2.88 | -0.47 |
| Aug | 3.17 | 2.84 | 0.33 |
| Sep | 1.73 | 1.71 | 0.02 |
| Oct | 1.12 | 1.10 | 0.02 |
| Nov | 1.07 | 0.96 | 0.11 |
| Dec | 1.81 | 1.61 | 0.20 |
18.78 | 18.19 | 0.59 |