| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.44 | 2.58 | -0.14 |
| Feb | 2.21 | 2.29 | -0.08 |
| Mar | 3.29 | 3.33 | -0.04 |
| Apr | 4.62 | 4.69 | -0.07 |
| May | 4.94 | 5.10 | -0.16 |
| Jun | 4.19 | 4.26 | -0.07 |
| Jul | 4.16 | 4.07 | 0.09 |
| Aug | 3.33 | 3.59 | -0.26 |
| Sep | 3.24 | 3.21 | 0.03 |
| Oct | 3.17 | 3.27 | -0.10 |
| Nov | 3.40 | 3.47 | -0.07 |
| Dec | 2.59 | 2.60 | -0.01 |
41.58 | 42.46 | -0.88 |