| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.66 | -0.01 |
| Feb | 3.47 | 3.56 | -0.09 |
| Mar | 4.59 | 4.76 | -0.17 |
| Apr | 5.12 | 5.26 | -0.14 |
| May | 5.54 | 5.51 | 0.03 |
| Jun | 4.81 | 4.86 | -0.05 |
| Jul | 4.19 | 4.37 | -0.18 |
| Aug | 3.13 | 3.09 | 0.04 |
| Sep | 3.54 | 3.65 | -0.11 |
| Oct | 3.71 | 3.82 | -0.11 |
| Nov | 3.95 | 3.93 | 0.02 |
| Dec | 4.17 | 4.25 | -0.08 |
49.87 | 50.72 | -0.85 |