| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.31 | -0.07 |
| Feb | 2.98 | 3.05 | -0.07 |
| Mar | 4.03 | 4.08 | -0.05 |
| Apr | 4.43 | 4.61 | -0.18 |
| May | 4.81 | 4.91 | -0.10 |
| Jun | 4.71 | 4.68 | 0.03 |
| Jul | 4.41 | 4.64 | -0.23 |
| Aug | 3.43 | 3.56 | -0.13 |
| Sep | 3.21 | 3.19 | 0.02 |
| Oct | 3.09 | 3.12 | -0.03 |
| Nov | 3.05 | 3.16 | -0.11 |
| Dec | 3.53 | 3.64 | -0.11 |
44.92 | 45.95 | -1.03 |