| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.16 | 1.22 | -0.06 |
| Feb | 1.45 | 1.48 | -0.03 |
| Mar | 2.25 | 2.28 | -0.03 |
| Apr | 3.62 | 3.71 | -0.09 |
| May | 4.78 | 4.71 | 0.07 |
| Jun | 5.23 | 5.18 | 0.05 |
| Jul | 4.25 | 4.20 | 0.05 |
| Aug | 4.13 | 4.08 | 0.05 |
| Sep | 3.66 | 3.46 | 0.20 |
| Oct | 2.96 | 2.90 | 0.06 |
| Nov | 2.14 | 2.17 | -0.03 |
| Dec | 1.66 | 1.69 | -0.03 |
37.29 | 37.08 | 0.21 |