| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.78 | -0.03 |
| Feb | 1.19 | 1.22 | -0.03 |
| Mar | 2.12 | 2.16 | -0.04 |
| Apr | 3.50 | 3.61 | -0.11 |
| May | 4.98 | 5.18 | -0.20 |
| Jun | 4.92 | 5.03 | -0.11 |
| Jul | 4.24 | 4.42 | -0.18 |
| Aug | 3.97 | 4.20 | -0.23 |
| Sep | 3.24 | 3.51 | -0.27 |
| Oct | 2.65 | 2.74 | -0.09 |
| Nov | 1.67 | 1.67 | 0.00 |
| Dec | 1.27 | 1.41 | -0.14 |
34.50 | 35.93 | -1.43 |