| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.27 | 4.26 | 0.01 |
| Feb | 4.17 | 4.23 | -0.06 |
| Mar | 4.56 | 4.62 | -0.06 |
| Apr | 3.64 | 3.69 | -0.05 |
| May | 2.82 | 2.83 | -0.01 |
| Jun | 4.06 | 4.26 | -0.20 |
| Jul | 4.41 | 4.54 | -0.13 |
| Aug | 4.40 | 4.41 | -0.01 |
| Sep | 3.71 | 3.71 | 0.00 |
| Oct | 2.76 | 2.86 | -0.10 |
| Nov | 3.24 | 3.34 | -0.10 |
| Dec | 4.46 | 4.50 | -0.04 |
46.50 | 47.25 | -0.75 |