| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.27 | 1.53 | -0.26 |
| Feb | 1.04 | 1.17 | -0.13 |
| Mar | 1.56 | 1.73 | -0.17 |
| Apr | 2.67 | 2.90 | -0.23 |
| May | 3.28 | 3.33 | -0.05 |
| Jun | 3.54 | 3.63 | -0.09 |
| Jul | 3.77 | 3.73 | 0.04 |
| Aug | 3.27 | 3.20 | 0.07 |
| Sep | 3.10 | 3.10 | 0.00 |
| Oct | 3.16 | 3.11 | 0.05 |
| Nov | 2.08 | 2.14 | -0.06 |
| Dec | 1.66 | 1.80 | -0.14 |
30.40 | 31.37 | -0.97 |