| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.63 | 1.64 | -0.01 |
| Feb | 1.23 | 1.21 | 0.02 |
| Mar | 1.78 | 1.75 | 0.03 |
| Apr | 2.93 | 2.97 | -0.04 |
| May | 3.23 | 3.23 | 0.00 |
| Jun | 3.61 | 3.71 | -0.10 |
| Jul | 3.27 | 3.26 | 0.01 |
| Aug | 3.20 | 3.19 | 0.01 |
| Sep | 3.15 | 3.04 | 0.11 |
| Oct | 3.23 | 3.16 | 0.07 |
| Nov | 2.22 | 2.14 | 0.08 |
| Dec | 1.89 | 1.85 | 0.04 |
31.37 | 31.15 | 0.22 |