| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.51 | 5.89 | -0.38 |
| Feb | 5.23 | 5.52 | -0.29 |
| Mar | 5.53 | 5.91 | -0.38 |
| Apr | 5.14 | 5.54 | -0.40 |
| May | 4.53 | 4.83 | -0.30 |
| Jun | 4.68 | 4.69 | -0.01 |
| Jul | 4.56 | 5.15 | -0.59 |
| Aug | 4.07 | 4.00 | 0.07 |
| Sep | 4.44 | 4.93 | -0.49 |
| Oct | 4.12 | 3.89 | 0.23 |
| Nov | 4.86 | 5.49 | -0.63 |
| Dec | 6.03 | 6.36 | -0.33 |
58.70 | 62.20 | -3.50 |