| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.56 | -0.18 |
| Feb | 2.86 | 2.86 | 0.00 |
| Mar | 3.99 | 3.78 | 0.21 |
| Apr | 3.43 | 3.53 | -0.10 |
| May | 3.70 | 3.80 | -0.10 |
| Jun | 4.22 | 4.28 | -0.06 |
| Jul | 5.26 | 4.96 | 0.30 |
| Aug | 5.04 | 5.63 | -0.59 |
| Sep | 5.09 | 4.94 | 0.15 |
| Oct | 3.87 | 4.47 | -0.60 |
| Nov | 3.12 | 3.27 | -0.15 |
| Dec | 3.41 | 3.48 | -0.07 |
47.37 | 48.56 | -1.19 |