| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.89 | 4.17 | -0.28 |
| Feb | 3.61 | 3.79 | -0.18 |
| Mar | 4.00 | 4.28 | -0.28 |
| Apr | 3.14 | 3.22 | -0.08 |
| May | 3.28 | 3.33 | -0.05 |
| Jun | 5.16 | 5.14 | 0.02 |
| Jul | 4.61 | 4.86 | -0.25 |
| Aug | 4.80 | 5.09 | -0.29 |
| Sep | 4.05 | 4.25 | -0.20 |
| Oct | 3.30 | 3.27 | 0.03 |
| Nov | 3.02 | 3.17 | -0.15 |
| Dec | 3.95 | 4.00 | -0.05 |
46.81 | 48.57 | -1.76 |