| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.75 | 2.98 | -0.23 |
| Feb | 2.50 | 2.63 | -0.13 |
| Mar | 2.94 | 3.05 | -0.11 |
| Apr | 3.33 | 3.56 | -0.23 |
| May | 3.70 | 3.96 | -0.26 |
| Jun | 4.60 | 4.62 | -0.02 |
| Jul | 4.58 | 4.74 | -0.16 |
| Aug | 4.12 | 4.17 | -0.05 |
| Sep | 3.41 | 3.42 | -0.01 |
| Oct | 4.24 | 4.27 | -0.03 |
| Nov | 3.14 | 3.31 | -0.17 |
| Dec | 3.32 | 3.63 | -0.31 |
42.63 | 44.34 | -1.71 |