| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.71 | -0.02 |
| Feb | 0.93 | 0.95 | -0.02 |
| Mar | 1.63 | 1.62 | 0.01 |
| Apr | 2.50 | 2.51 | -0.01 |
| May | 4.62 | 4.58 | 0.04 |
| Jun | 3.95 | 4.00 | -0.05 |
| Jul | 4.19 | 4.17 | 0.02 |
| Aug | 3.62 | 3.68 | -0.06 |
| Sep | 2.69 | 2.70 | -0.01 |
| Oct | 2.05 | 2.05 | 0.00 |
| Nov | 1.16 | 1.22 | -0.06 |
| Dec | 1.08 | 1.04 | 0.04 |
29.11 | 29.23 | -0.12 |