| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.92 | -0.01 |
| Feb | 0.93 | 0.93 | 0.00 |
| Mar | 1.75 | 1.74 | 0.01 |
| Apr | 2.92 | 2.92 | 0.00 |
| May | 4.16 | 4.17 | -0.01 |
| Jun | 5.15 | 5.07 | 0.08 |
| Jul | 4.17 | 3.93 | 0.24 |
| Aug | 4.59 | 4.54 | 0.05 |
| Sep | 3.38 | 3.53 | -0.15 |
| Oct | 2.63 | 2.56 | 0.07 |
| Nov | 1.62 | 1.61 | 0.01 |
| Dec | 1.17 | 1.14 | 0.03 |
33.38 | 33.06 | 0.32 |