| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.27 | 1.40 | -0.13 |
| Feb | 1.20 | 1.33 | -0.13 |
| Mar | 1.96 | 1.93 | 0.03 |
| Apr | 3.44 | 3.67 | -0.23 |
| May | 4.13 | 4.17 | -0.04 |
| Jun | 4.90 | 5.15 | -0.25 |
| Jul | 4.04 | 4.16 | -0.12 |
| Aug | 4.08 | 3.80 | 0.28 |
| Sep | 3.21 | 3.47 | -0.26 |
| Oct | 2.85 | 2.90 | -0.05 |
| Nov | 2.02 | 2.09 | -0.07 |
| Dec | 1.61 | 1.66 | -0.05 |
34.71 | 35.73 | -1.02 |