| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 3.19 | -0.13 |
| Feb | 2.73 | 2.92 | -0.19 |
| Mar | 3.93 | 4.11 | -0.18 |
| Apr | 3.53 | 3.60 | -0.07 |
| May | 4.14 | 4.31 | -0.17 |
| Jun | 4.26 | 4.22 | 0.04 |
| Jul | 4.44 | 4.43 | 0.01 |
| Aug | 4.23 | 4.09 | 0.14 |
| Sep | 4.40 | 4.53 | -0.13 |
| Oct | 4.09 | 4.21 | -0.12 |
| Nov | 3.27 | 3.29 | -0.02 |
| Dec | 3.69 | 3.97 | -0.28 |
45.77 | 46.87 | -1.10 |