| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.53 | -0.03 |
| Feb | 3.27 | 3.33 | -0.06 |
| Mar | 3.44 | 3.62 | -0.18 |
| Apr | 3.14 | 3.27 | -0.13 |
| May | 3.65 | 3.76 | -0.11 |
| Jun | 4.60 | 4.77 | -0.17 |
| Jul | 5.25 | 5.43 | -0.18 |
| Aug | 5.29 | 5.18 | 0.11 |
| Sep | 4.95 | 4.96 | -0.01 |
| Oct | 3.38 | 3.46 | -0.08 |
| Nov | 2.93 | 2.98 | -0.05 |
| Dec | 3.63 | 3.62 | 0.01 |
47.03 | 47.91 | -0.88 |