| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.72 | 4.86 | -0.14 |
| Feb | 4.42 | 4.54 | -0.12 |
| Mar | 5.07 | 5.15 | -0.08 |
| Apr | 5.06 | 5.18 | -0.12 |
| May | 4.44 | 4.49 | -0.05 |
| Jun | 4.38 | 4.51 | -0.13 |
| Jul | 3.50 | 3.53 | -0.03 |
| Aug | 3.31 | 3.32 | -0.01 |
| Sep | 3.53 | 3.61 | -0.08 |
| Oct | 4.55 | 4.56 | -0.01 |
| Nov | 4.24 | 4.29 | -0.05 |
| Dec | 5.00 | 5.16 | -0.16 |
52.22 | 53.20 | -0.98 |