| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.21 | 4.28 | -0.07 |
| Feb | 3.78 | 3.83 | -0.05 |
| Mar | 5.22 | 5.29 | -0.07 |
| Apr | 4.50 | 4.58 | -0.08 |
| May | 3.59 | 3.61 | -0.02 |
| Jun | 3.90 | 3.86 | 0.04 |
| Jul | 3.35 | 3.35 | 0.00 |
| Aug | 3.56 | 3.73 | -0.17 |
| Sep | 4.01 | 3.92 | 0.09 |
| Oct | 4.83 | 4.99 | -0.16 |
| Nov | 4.45 | 4.44 | 0.01 |
| Dec | 4.88 | 5.05 | -0.17 |
50.28 | 50.93 | -0.65 |