| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.26 | 4.20 | 0.06 |
| Feb | 4.00 | 4.13 | -0.13 |
| Mar | 3.05 | 2.98 | 0.07 |
| Apr | 1.43 | 1.51 | -0.08 |
| May | 0.65 | 0.69 | -0.04 |
| Jun | 0.13 | 0.19 | -0.06 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.03 | 0.03 | 0.00 |
| Sep | 0.08 | 0.06 | 0.02 |
| Oct | 0.94 | 0.93 | 0.01 |
| Nov | 2.18 | 2.11 | 0.07 |
| Dec | 4.08 | 4.12 | -0.04 |
20.83 | 20.95 | -0.12 |