| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.52 | 0.56 | -0.04 |
| Feb | 0.59 | 0.57 | 0.02 |
| Mar | 1.14 | 1.26 | -0.12 |
| Apr | 1.93 | 2.13 | -0.20 |
| May | 2.26 | 2.68 | -0.42 |
| Jun | 1.89 | 2.02 | -0.13 |
| Jul | 3.43 | 3.19 | 0.24 |
| Aug | 2.97 | 3.23 | -0.26 |
| Sep | 1.51 | 1.91 | -0.40 |
| Oct | 0.92 | 0.88 | 0.04 |
| Nov | 0.58 | 0.68 | -0.10 |
| Dec | 0.45 | 0.52 | -0.07 |
18.19 | 19.63 | -1.44 |