| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.92 | -0.01 |
| Feb | 0.87 | 0.84 | 0.03 |
| Mar | 1.67 | 1.59 | 0.08 |
| Apr | 2.91 | 2.85 | 0.06 |
| May | 4.17 | 4.14 | 0.03 |
| Jun | 5.22 | 5.04 | 0.18 |
| Jul | 4.14 | 4.34 | -0.20 |
| Aug | 4.42 | 4.68 | -0.26 |
| Sep | 3.40 | 3.50 | -0.10 |
| Oct | 2.78 | 2.68 | 0.10 |
| Nov | 1.73 | 1.57 | 0.16 |
| Dec | 1.18 | 1.17 | 0.01 |
33.40 | 33.32 | 0.08 |