| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.13 | 3.19 | -0.06 |
| Feb | 3.14 | 3.10 | 0.04 |
| Mar | 4.11 | 4.07 | 0.04 |
| Apr | 3.60 | 3.68 | -0.08 |
| May | 4.61 | 4.59 | 0.02 |
| Jun | 4.48 | 4.47 | 0.01 |
| Jul | 4.70 | 4.93 | -0.23 |
| Aug | 3.73 | 3.66 | 0.07 |
| Sep | 3.53 | 3.61 | -0.08 |
| Oct | 2.98 | 3.08 | -0.10 |
| Nov | 2.95 | 2.95 | 0.00 |
| Dec | 3.69 | 3.64 | 0.05 |
44.65 | 44.97 | -0.32 |