| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.47 | -0.21 |
| Feb | 2.66 | 2.94 | -0.28 |
| Mar | 3.30 | 3.67 | -0.37 |
| Apr | 3.49 | 3.73 | -0.24 |
| May | 3.56 | 3.69 | -0.13 |
| Jun | 4.03 | 4.09 | -0.06 |
| Jul | 3.68 | 3.55 | 0.13 |
| Aug | 3.44 | 3.44 | 0.00 |
| Sep | 3.57 | 3.59 | -0.02 |
| Oct | 4.61 | 4.98 | -0.37 |
| Nov | 3.95 | 4.24 | -0.29 |
| Dec | 4.17 | 4.55 | -0.38 |
43.72 | 45.94 | -2.22 |