| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.06 | 6.04 | 0.02 |
| Feb | 4.76 | 4.75 | 0.01 |
| Mar | 4.57 | 4.63 | -0.06 |
| Apr | 5.04 | 5.07 | -0.03 |
| May | 5.58 | 5.73 | -0.15 |
| Jun | 6.51 | 6.63 | -0.12 |
| Jul | 6.12 | 6.28 | -0.16 |
| Aug | 6.11 | 6.62 | -0.51 |
| Sep | 4.58 | 4.73 | -0.15 |
| Oct | 4.66 | 4.70 | -0.04 |
| Nov | 3.96 | 4.10 | -0.14 |
| Dec | 5.36 | 5.33 | 0.03 |
63.31 | 64.61 | -1.30 |