| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.92 | 3.85 | 0.07 |
| Feb | 3.29 | 3.16 | 0.13 |
| Mar | 3.81 | 3.76 | 0.05 |
| Apr | 3.18 | 3.25 | -0.07 |
| May | 3.44 | 3.71 | -0.27 |
| Jun | 4.51 | 4.64 | -0.13 |
| Jul | 5.53 | 5.91 | -0.38 |
| Aug | 5.62 | 5.64 | -0.02 |
| Sep | 5.53 | 5.19 | 0.34 |
| Oct | 4.20 | 4.17 | 0.03 |
| Nov | 3.44 | 3.68 | -0.24 |
| Dec | 3.58 | 4.04 | -0.46 |
50.05 | 51.00 | -0.95 |