| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.19 | -0.11 |
| Feb | 2.64 | 2.80 | -0.16 |
| Mar | 3.93 | 4.02 | -0.09 |
| Apr | 3.51 | 3.53 | -0.02 |
| May | 4.30 | 4.26 | 0.04 |
| Jun | 4.27 | 4.24 | 0.03 |
| Jul | 4.42 | 4.13 | 0.29 |
| Aug | 3.69 | 3.89 | -0.20 |
| Sep | 4.49 | 4.38 | 0.11 |
| Oct | 3.82 | 4.08 | -0.26 |
| Nov | 3.22 | 3.29 | -0.07 |
| Dec | 3.63 | 3.88 | -0.25 |
45.00 | 45.69 | -0.69 |