| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.20 | 4.28 | -0.08 |
| Feb | 4.07 | 4.08 | -0.01 |
| Mar | 4.49 | 4.66 | -0.17 |
| Apr | 3.28 | 3.39 | -0.11 |
| May | 2.86 | 2.80 | 0.06 |
| Jun | 5.09 | 5.09 | 0.00 |
| Jul | 4.98 | 4.93 | 0.05 |
| Aug | 4.76 | 5.08 | -0.32 |
| Sep | 3.96 | 4.18 | -0.22 |
| Oct | 2.75 | 2.80 | -0.05 |
| Nov | 2.59 | 2.73 | -0.14 |
| Dec | 3.92 | 3.96 | -0.04 |
46.95 | 47.98 | -1.03 |