| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.77 | 4.78 | -0.01 |
| Feb | 4.86 | 4.81 | 0.05 |
| Mar | 4.92 | 4.78 | 0.14 |
| Apr | 4.09 | 4.19 | -0.10 |
| May | 4.02 | 4.00 | 0.02 |
| Jun | 4.34 | 4.21 | 0.13 |
| Jul | 4.97 | 5.10 | -0.13 |
| Aug | 4.17 | 4.20 | -0.03 |
| Sep | 3.96 | 3.95 | 0.01 |
| Oct | 3.54 | 3.51 | 0.03 |
| Nov | 4.19 | 4.20 | -0.01 |
| Dec | 4.73 | 4.73 | 0.00 |
52.56 | 52.46 | 0.10 |