| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.63 | -0.01 |
| Feb | 3.02 | 2.93 | 0.09 |
| Mar | 4.07 | 3.98 | 0.09 |
| Apr | 3.60 | 3.58 | 0.02 |
| May | 3.76 | 3.62 | 0.14 |
| Jun | 4.56 | 4.54 | 0.02 |
| Jul | 4.98 | 5.04 | -0.06 |
| Aug | 4.96 | 4.78 | 0.18 |
| Sep | 5.21 | 5.31 | -0.10 |
| Oct | 3.54 | 3.52 | 0.02 |
| Nov | 3.44 | 3.38 | 0.06 |
| Dec | 3.55 | 3.47 | 0.08 |
48.31 | 47.78 | 0.53 |