| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.05 | 1.64 | -0.59 |
| Feb | 1.04 | 1.22 | -0.18 |
| Mar | 1.31 | 1.56 | -0.25 |
| Apr | 2.30 | 2.54 | -0.24 |
| May | 3.01 | 3.14 | -0.13 |
| Jun | 3.90 | 3.99 | -0.09 |
| Jul | 3.71 | 3.53 | 0.18 |
| Aug | 2.83 | 3.06 | -0.23 |
| Sep | 3.18 | 3.66 | -0.48 |
| Oct | 3.15 | 3.66 | -0.51 |
| Nov | 2.06 | 2.63 | -0.57 |
| Dec | 1.60 | 2.13 | -0.53 |
29.14 | 32.76 | -3.62 |