| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.74 | 3.80 | -0.06 |
| Feb | 3.03 | 3.07 | -0.04 |
| Mar | 4.12 | 4.09 | 0.03 |
| Apr | 3.77 | 3.78 | -0.01 |
| May | 3.71 | 3.58 | 0.13 |
| Jun | 4.09 | 4.17 | -0.08 |
| Jul | 4.54 | 4.25 | 0.29 |
| Aug | 4.07 | 4.00 | 0.07 |
| Sep | 4.79 | 4.76 | 0.03 |
| Oct | 3.31 | 3.45 | -0.14 |
| Nov | 3.44 | 3.51 | -0.07 |
| Dec | 3.56 | 3.58 | -0.02 |
46.17 | 46.04 | 0.13 |