| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.34 | 0.34 | 0.00 |
| Feb | 0.55 | 0.53 | 0.02 |
| Mar | 1.00 | 0.98 | 0.02 |
| Apr | 1.66 | 1.70 | -0.04 |
| May | 2.56 | 2.56 | 0.00 |
| Jun | 2.71 | 2.67 | 0.04 |
| Jul | 3.22 | 3.26 | -0.04 |
| Aug | 2.77 | 2.98 | -0.21 |
| Sep | 1.48 | 1.70 | -0.22 |
| Oct | 1.45 | 1.43 | 0.02 |
| Nov | 0.59 | 0.63 | -0.04 |
| Dec | 0.44 | 0.52 | -0.08 |
18.77 | 19.30 | -0.53 |