| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.69 | 0.02 |
| Feb | 0.94 | 0.93 | 0.01 |
| Mar | 1.55 | 1.60 | -0.05 |
| Apr | 2.64 | 2.56 | 0.08 |
| May | 4.52 | 4.49 | 0.03 |
| Jun | 3.92 | 4.01 | -0.09 |
| Jul | 4.36 | 4.20 | 0.16 |
| Aug | 3.80 | 3.56 | 0.24 |
| Sep | 2.69 | 2.76 | -0.07 |
| Oct | 2.06 | 2.05 | 0.01 |
| Nov | 1.24 | 1.23 | 0.01 |
| Dec | 1.07 | 1.02 | 0.05 |
29.50 | 29.10 | 0.40 |