| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 3.27 | -0.34 |
| Feb | 2.49 | 2.61 | -0.12 |
| Mar | 3.43 | 3.51 | -0.08 |
| Apr | 3.73 | 3.76 | -0.03 |
| May | 3.79 | 3.78 | 0.01 |
| Jun | 4.64 | 4.81 | -0.17 |
| Jul | 4.09 | 4.00 | 0.09 |
| Aug | 4.09 | 4.14 | -0.05 |
| Sep | 4.23 | 4.35 | -0.12 |
| Oct | 4.33 | 4.37 | -0.04 |
| Nov | 3.17 | 3.20 | -0.03 |
| Dec | 3.57 | 3.74 | -0.17 |
44.49 | 45.54 | -1.05 |