| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.38 | -0.09 |
| Feb | 2.82 | 2.80 | 0.02 |
| Mar | 4.24 | 4.37 | -0.13 |
| Apr | 3.67 | 3.68 | -0.01 |
| May | 3.55 | 3.72 | -0.17 |
| Jun | 4.42 | 4.56 | -0.14 |
| Jul | 4.49 | 4.57 | -0.08 |
| Aug | 4.31 | 4.31 | 0.00 |
| Sep | 4.51 | 4.70 | -0.19 |
| Oct | 3.86 | 4.10 | -0.24 |
| Nov | 3.26 | 3.22 | 0.04 |
| Dec | 3.98 | 4.26 | -0.28 |
46.40 | 47.67 | -1.27 |