| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.07 | 0.38 |
| Feb | 4.10 | 3.58 | 0.52 |
| Mar | 2.49 | 2.44 | 0.05 |
| Apr | 1.21 | 1.05 | 0.16 |
| May | 0.49 | 0.56 | -0.07 |
| Jun | 0.09 | 0.14 | -0.05 |
| Jul | 0.18 | 0.18 | 0.00 |
| Aug | 0.12 | 0.13 | -0.01 |
| Sep | 0.34 | 0.23 | 0.11 |
| Oct | 0.63 | 0.69 | -0.06 |
| Nov | 1.20 | 1.04 | 0.16 |
| Dec | 2.68 | 2.29 | 0.39 |
16.98 | 15.40 | 1.58 |