| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.33 | 0.30 | 0.03 |
| Feb | 0.49 | 0.43 | 0.06 |
| Mar | 0.70 | 0.64 | 0.06 |
| Apr | 1.46 | 1.28 | 0.18 |
| May | 2.95 | 2.81 | 0.14 |
| Jun | 3.21 | 3.17 | 0.04 |
| Jul | 2.69 | 2.52 | 0.17 |
| Aug | 2.13 | 2.19 | -0.06 |
| Sep | 1.54 | 1.58 | -0.04 |
| Oct | 1.62 | 1.66 | -0.04 |
| Nov | 0.46 | 0.40 | 0.06 |
| Dec | 0.44 | 0.36 | 0.08 |
18.02 | 17.34 | 0.68 |