| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.44 | 1.49 | -0.05 |
| Feb | 1.52 | 1.56 | -0.04 |
| Mar | 2.17 | 2.15 | 0.02 |
| Apr | 3.77 | 3.89 | -0.12 |
| May | 4.19 | 4.38 | -0.19 |
| Jun | 5.50 | 5.45 | 0.05 |
| Jul | 4.54 | 4.43 | 0.11 |
| Aug | 4.16 | 4.26 | -0.10 |
| Sep | 3.63 | 3.53 | 0.10 |
| Oct | 2.92 | 2.91 | 0.01 |
| Nov | 2.27 | 2.27 | 0.00 |
| Dec | 1.66 | 1.75 | -0.09 |
37.77 | 38.07 | -0.30 |