| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.09 | 8.51 | 0.58 |
| Feb | 7.68 | 7.05 | 0.63 |
| Mar | 7.76 | 7.26 | 0.50 |
| Apr | 4.94 | 4.69 | 0.25 |
| May | 2.50 | 2.37 | 0.13 |
| Jun | 1.02 | 1.05 | -0.03 |
| Jul | 0.19 | 0.23 | -0.04 |
| Aug | 0.25 | 0.24 | 0.01 |
| Sep | 0.92 | 0.94 | -0.02 |
| Oct | 3.47 | 3.19 | 0.28 |
| Nov | 6.80 | 6.26 | 0.54 |
| Dec | 11.00 | 9.77 | 1.23 |
55.62 | 51.56 | 4.06 |