| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.89 | -0.27 |
| Feb | 3.14 | 3.37 | -0.23 |
| Mar | 4.13 | 4.29 | -0.16 |
| Apr | 4.23 | 4.56 | -0.33 |
| May | 3.74 | 3.73 | 0.01 |
| Jun | 4.53 | 4.33 | 0.20 |
| Jul | 4.12 | 4.21 | -0.09 |
| Aug | 4.06 | 4.03 | 0.03 |
| Sep | 4.44 | 4.41 | 0.03 |
| Oct | 5.18 | 5.17 | 0.01 |
| Nov | 4.00 | 3.97 | 0.03 |
| Dec | 4.37 | 4.64 | -0.27 |
49.56 | 50.60 | -1.04 |