| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.27 | 0.25 | 0.02 |
| Feb | 0.37 | 0.41 | -0.04 |
| Mar | 0.74 | 0.76 | -0.02 |
| Apr | 1.55 | 1.60 | -0.05 |
| May | 2.50 | 2.69 | -0.19 |
| Jun | 2.05 | 2.11 | -0.06 |
| Jul | 1.58 | 1.54 | 0.04 |
| Aug | 1.18 | 1.20 | -0.02 |
| Sep | 1.22 | 1.23 | -0.01 |
| Oct | 1.09 | 1.12 | -0.03 |
| Nov | 0.39 | 0.43 | -0.04 |
| Dec | 0.34 | 0.34 | 0.00 |
13.28 | 13.68 | -0.40 |