| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.09 | 8.94 | 0.15 |
| Feb | 7.68 | 7.51 | 0.17 |
| Mar | 7.76 | 7.69 | 0.07 |
| Apr | 4.94 | 5.08 | -0.14 |
| May | 2.50 | 2.63 | -0.13 |
| Jun | 1.02 | 1.16 | -0.14 |
| Jul | 0.19 | 0.26 | -0.07 |
| Aug | 0.25 | 0.24 | 0.01 |
| Sep | 0.92 | 1.00 | -0.08 |
| Oct | 3.47 | 3.41 | 0.06 |
| Nov | 6.80 | 6.74 | 0.06 |
| Dec | 11.00 | 10.41 | 0.59 |
55.62 | 55.07 | 0.55 |