| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.18 | 0.00 |
| Feb | 3.15 | 3.14 | 0.01 |
| Mar | 4.18 | 4.04 | 0.14 |
| Apr | 4.09 | 4.11 | -0.02 |
| May | 3.79 | 3.67 | 0.12 |
| Jun | 4.12 | 4.13 | -0.01 |
| Jul | 3.77 | 3.61 | 0.16 |
| Aug | 3.70 | 3.70 | 0.00 |
| Sep | 3.87 | 3.79 | 0.08 |
| Oct | 4.76 | 4.67 | 0.09 |
| Nov | 3.91 | 3.75 | 0.16 |
| Dec | 4.31 | 4.24 | 0.07 |
46.83 | 46.03 | 0.80 |