| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.89 | 4.46 | 0.43 |
| Feb | 4.69 | 4.57 | 0.12 |
| Mar | 3.54 | 3.37 | 0.17 |
| Apr | 1.57 | 1.44 | 0.13 |
| May | 0.70 | 0.76 | -0.06 |
| Jun | 0.18 | 0.24 | -0.06 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.06 | 0.04 | 0.02 |
| Sep | 0.07 | 0.08 | -0.01 |
| Oct | 1.10 | 1.09 | 0.01 |
| Nov | 2.55 | 2.39 | 0.16 |
| Dec | 5.10 | 4.78 | 0.32 |
24.45 | 23.22 | 1.23 |