| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.69 | 2.78 | -0.09 |
| Feb | 2.18 | 2.31 | -0.13 |
| Mar | 2.94 | 2.92 | 0.02 |
| Apr | 4.01 | 3.95 | 0.06 |
| May | 4.53 | 4.37 | 0.16 |
| Jun | 5.09 | 4.88 | 0.21 |
| Jul | 4.36 | 4.47 | -0.11 |
| Aug | 3.60 | 3.57 | 0.03 |
| Sep | 3.29 | 3.31 | -0.02 |
| Oct | 3.06 | 2.94 | 0.12 |
| Nov | 3.14 | 3.17 | -0.03 |
| Dec | 2.60 | 2.53 | 0.07 |
41.49 | 41.20 | 0.29 |