| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.41 | 0.00 |
| Feb | 3.57 | 3.45 | 0.12 |
| Mar | 4.69 | 4.52 | 0.17 |
| Apr | 5.44 | 5.70 | -0.26 |
| May | 5.46 | 5.32 | 0.14 |
| Jun | 3.67 | 3.65 | 0.02 |
| Jul | 4.22 | 4.42 | -0.20 |
| Aug | 3.66 | 3.53 | 0.13 |
| Sep | 3.54 | 3.50 | 0.04 |
| Oct | 3.75 | 3.67 | 0.08 |
| Nov | 4.65 | 4.57 | 0.08 |
| Dec | 4.03 | 4.04 | -0.01 |
50.09 | 49.78 | 0.31 |