| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 3.45 | -0.28 |
| Feb | 2.73 | 2.86 | -0.13 |
| Mar | 4.25 | 4.34 | -0.09 |
| Apr | 3.51 | 3.53 | -0.02 |
| May | 3.30 | 3.46 | -0.16 |
| Jun | 4.31 | 4.31 | 0.00 |
| Jul | 4.67 | 4.61 | 0.06 |
| Aug | 4.64 | 4.64 | 0.00 |
| Sep | 3.98 | 4.05 | -0.07 |
| Oct | 3.85 | 3.97 | -0.12 |
| Nov | 3.18 | 3.19 | -0.01 |
| Dec | 4.07 | 4.29 | -0.22 |
45.66 | 46.70 | -1.04 |