| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.75 | 2.81 | -0.06 |
| Feb | 2.16 | 2.20 | -0.04 |
| Mar | 3.37 | 3.29 | 0.08 |
| Apr | 3.13 | 3.27 | -0.14 |
| May | 4.20 | 3.98 | 0.22 |
| Jun | 4.20 | 3.97 | 0.23 |
| Jul | 4.13 | 3.87 | 0.26 |
| Aug | 3.54 | 3.72 | -0.18 |
| Sep | 4.17 | 4.31 | -0.14 |
| Oct | 2.85 | 2.81 | 0.04 |
| Nov | 2.70 | 2.79 | -0.09 |
| Dec | 2.95 | 2.94 | 0.01 |
40.15 | 39.96 | 0.19 |