| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.70 | 0.00 |
| Feb | 1.04 | 1.06 | -0.02 |
| Mar | 1.76 | 1.76 | 0.00 |
| Apr | 2.32 | 2.29 | 0.03 |
| May | 4.47 | 4.56 | -0.09 |
| Jun | 3.92 | 3.81 | 0.11 |
| Jul | 4.06 | 3.80 | 0.26 |
| Aug | 3.73 | 3.72 | 0.01 |
| Sep | 2.44 | 2.28 | 0.16 |
| Oct | 2.14 | 2.12 | 0.02 |
| Nov | 1.14 | 1.11 | 0.03 |
| Dec | 1.05 | 0.99 | 0.06 |
28.77 | 28.20 | 0.57 |