| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.50 | -0.25 |
| Feb | 2.78 | 2.93 | -0.15 |
| Mar | 4.22 | 4.36 | -0.14 |
| Apr | 3.61 | 3.61 | 0.00 |
| May | 3.45 | 3.62 | -0.17 |
| Jun | 4.26 | 4.31 | -0.05 |
| Jul | 4.51 | 4.62 | -0.11 |
| Aug | 4.49 | 4.72 | -0.23 |
| Sep | 4.44 | 4.25 | 0.19 |
| Oct | 3.78 | 4.01 | -0.23 |
| Nov | 3.18 | 3.18 | 0.00 |
| Dec | 4.05 | 4.32 | -0.27 |
46.02 | 47.43 | -1.41 |