| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.68 | -0.19 |
| Feb | 3.30 | 3.44 | -0.14 |
| Mar | 3.50 | 3.59 | -0.09 |
| Apr | 3.37 | 3.29 | 0.08 |
| May | 3.66 | 3.69 | -0.03 |
| Jun | 5.21 | 5.06 | 0.15 |
| Jul | 5.64 | 5.76 | -0.12 |
| Aug | 6.02 | 6.43 | -0.41 |
| Sep | 5.38 | 5.93 | -0.55 |
| Oct | 3.89 | 4.27 | -0.38 |
| Nov | 3.03 | 3.16 | -0.13 |
| Dec | 3.67 | 3.69 | -0.02 |
50.16 | 51.99 | -1.83 |