| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.76 | -0.13 |
| Feb | 3.49 | 3.57 | -0.08 |
| Mar | 3.69 | 3.78 | -0.09 |
| Apr | 3.11 | 3.16 | -0.05 |
| May | 3.50 | 3.61 | -0.11 |
| Jun | 5.05 | 5.00 | 0.05 |
| Jul | 5.21 | 5.25 | -0.04 |
| Aug | 5.04 | 5.12 | -0.08 |
| Sep | 4.20 | 4.44 | -0.24 |
| Oct | 3.26 | 3.46 | -0.20 |
| Nov | 2.87 | 2.87 | 0.00 |
| Dec | 3.66 | 3.71 | -0.05 |
46.71 | 47.73 | -1.02 |