| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.13 | 6.25 | -0.12 |
| Feb | 4.13 | 4.20 | -0.07 |
| Mar | 4.52 | 4.73 | -0.21 |
| Apr | 3.45 | 3.53 | -0.08 |
| May | 2.03 | 2.18 | -0.15 |
| Jun | 1.49 | 1.60 | -0.11 |
| Jul | 0.64 | 0.63 | 0.01 |
| Aug | 0.90 | 0.90 | 0.00 |
| Sep | 1.63 | 1.67 | -0.04 |
| Oct | 4.22 | 4.23 | -0.01 |
| Nov | 6.68 | 6.71 | -0.03 |
| Dec | 6.22 | 6.43 | -0.21 |
42.04 | 43.06 | -1.02 |