| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.05 | 3.09 | -0.04 |
| Feb | 2.36 | 2.37 | -0.01 |
| Mar | 3.38 | 3.38 | 0.00 |
| Apr | 4.26 | 4.17 | 0.09 |
| May | 4.61 | 4.42 | 0.19 |
| Jun | 4.38 | 4.45 | -0.07 |
| Jul | 4.15 | 4.13 | 0.02 |
| Aug | 3.14 | 3.16 | -0.02 |
| Sep | 3.14 | 3.01 | 0.13 |
| Oct | 2.86 | 2.87 | -0.01 |
| Nov | 3.07 | 2.96 | 0.11 |
| Dec | 3.03 | 3.03 | 0.00 |
41.43 | 41.04 | 0.39 |