| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.58 | -0.22 |
| Feb | 3.20 | 3.28 | -0.08 |
| Mar | 4.13 | 4.29 | -0.16 |
| Apr | 3.97 | 3.94 | 0.03 |
| May | 3.72 | 3.69 | 0.03 |
| Jun | 4.17 | 4.13 | 0.04 |
| Jul | 3.69 | 3.73 | -0.04 |
| Aug | 3.63 | 3.75 | -0.12 |
| Sep | 3.76 | 3.78 | -0.02 |
| Oct | 4.70 | 4.79 | -0.09 |
| Nov | 3.75 | 3.80 | -0.05 |
| Dec | 4.26 | 4.45 | -0.19 |
46.34 | 47.21 | -0.87 |