| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.47 | -0.02 |
| Feb | 2.86 | 2.89 | -0.03 |
| Mar | 4.06 | 4.20 | -0.14 |
| Apr | 5.08 | 5.05 | 0.03 |
| May | 5.64 | 5.63 | 0.01 |
| Jun | 5.05 | 4.83 | 0.22 |
| Jul | 4.32 | 4.24 | 0.08 |
| Aug | 3.34 | 3.09 | 0.25 |
| Sep | 3.63 | 3.64 | -0.01 |
| Oct | 3.59 | 3.42 | 0.17 |
| Nov | 3.95 | 3.89 | 0.06 |
| Dec | 3.54 | 3.59 | -0.05 |
48.51 | 47.94 | 0.57 |