| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.66 | -0.06 |
| Feb | 2.84 | 2.93 | -0.09 |
| Mar | 4.06 | 4.23 | -0.17 |
| Apr | 3.97 | 3.96 | 0.01 |
| May | 4.16 | 4.15 | 0.01 |
| Jun | 4.50 | 4.53 | -0.03 |
| Jul | 4.94 | 4.90 | 0.04 |
| Aug | 4.62 | 4.38 | 0.24 |
| Sep | 4.57 | 4.32 | 0.25 |
| Oct | 4.31 | 4.30 | 0.01 |
| Nov | 3.39 | 3.36 | 0.03 |
| Dec | 4.33 | 4.42 | -0.09 |
49.29 | 49.14 | 0.15 |