| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.55 | 0.03 |
| Feb | 0.47 | 0.40 | 0.07 |
| Mar | 1.19 | 1.13 | 0.06 |
| Apr | 1.24 | 1.23 | 0.01 |
| May | 2.16 | 2.19 | -0.03 |
| Jun | 2.87 | 2.68 | 0.19 |
| Jul | 2.53 | 2.56 | -0.03 |
| Aug | 2.83 | 2.84 | -0.01 |
| Sep | 1.66 | 1.58 | 0.08 |
| Oct | 1.81 | 1.91 | -0.10 |
| Nov | 0.67 | 0.69 | -0.02 |
| Dec | 0.69 | 0.72 | -0.03 |
18.70 | 18.48 | 0.22 |